diff --git a/unimarc/unimarc/Helper_DB.cs b/unimarc/unimarc/Helper_DB.cs
index fe1d3b0..c1a8916 100644
--- a/unimarc/unimarc/Helper_DB.cs
+++ b/unimarc/unimarc/Helper_DB.cs
@@ -16,6 +16,32 @@ namespace UniMarc
 
     public partial class Helper_DB
     {
+        static string cs = "";
+
+        public static DataTable ExecuteQueryData(string query)
+        {
+            DataTable dt = new DataTable();
+            try
+            {
+                var cn = new MySqlConnection(cs);
+                var cmd = new MySqlCommand(query, cn);
+                cn.Open();
+                using (MySqlDataAdapter adapter = new MySqlDataAdapter(cmd))
+                {
+                    adapter.Fill(dt);
+                }
+                cmd.Dispose();
+                cn.Close();
+                cn.Dispose();
+                return dt;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(ex.ToString(), "ExecuteQueryData Error");
+                return null;
+            }
+        }
+
         /// <summary>
         /// 오류발생시 null을 반환합니다
         /// </summary>
@@ -26,48 +52,34 @@ namespace UniMarc
         /// <returns></returns>
         public static DataTable GetDT(string tableName, string columns = "*", string wheres = "", string orders = "")
         {
-            try
-            {
-                var sql = $"select {columns} from {tableName}";
-                if (wheres.isEmpty() == false) sql += " where " + wheres;
-                if (orders.isEmpty() == false) sql += " order by " + orders;
-                Helper_DB db = new Helper_DB();
-                var cn = db.CreateConnection();
-                var da = new MySql.Data.MySqlClient.MySqlDataAdapter(sql, cn);
-                var dt = new DataTable();
-                da.Fill(dt);
-                dt.AcceptChanges();
-                return dt;
-            }
-            catch
-            {
-                return null;
-            }
+            var sql = $"select {columns} from {tableName}";
+            if (wheres.isEmpty() == false) sql += " where " + wheres;
+            if (orders.isEmpty() == false) sql += " order by " + orders;
+            return ExecuteQueryData(sql);
         }
 
+
+
         /// <summary>
         /// 오류발생시 -1을 반환합니다
         /// </summary>
         /// <param name="query"></param>
         /// <returns></returns>
-        public static int ExcuteNonQuery(string query,out string errormessage)
+        public static (int applyCount, string errorMessage) ExcuteNonQuery(string query)
         {
-            errormessage = string.Empty;
             try
             {
-                Helper_DB db = new Helper_DB();
-                var cn = db.CreateConnection();
+                var cn = new MySqlConnection(cs);
                 var cmd = new MySqlCommand(query, cn);
                 cn.Open();
                 var cnt = cmd.ExecuteNonQuery();
                 cmd.Dispose();
                 cn.Dispose();
-                return cnt;
+                return (cnt, string.Empty);
             }
-            catch(Exception ex)
+            catch (Exception ex)
             {
-                errormessage = ex.Message;
-                return -1;
+                return (-1, ex.Message);
             }
         }
     }
@@ -118,13 +130,13 @@ namespace UniMarc
                 client.Connect();
                 if (client.IsConnected)
                 {
-                    string strConnection = string.Format(
+                    cs = string.Format(
                         "Server={0};" +
                         "Port={1};" +
                         "Database=unimarc;" +
                         "uid={2};" +
                         "pwd={3};", ServerData[0], DBData[0], DBData[1], DBData[2]);
-                    conn = new MySqlConnection(strConnection);
+                    conn = new MySqlConnection(cs);
                 }
             }
         }
@@ -183,30 +195,7 @@ namespace UniMarc
                 }
             }
         }
-        public DataTable ExecuteQueryData(string cmd)
-        {
-            DataTable dt = new DataTable();
-            try
-            {
-                conn.Open();
-                sqlcmd.CommandText = cmd;
-                sqlcmd.Connection = conn;
 
-                using (MySqlDataAdapter adapter = new MySqlDataAdapter(sqlcmd))
-                {
-                    adapter.Fill(dt);
-                }
-            }
-            catch (Exception ex)
-            {
-                MessageBox.Show(ex.ToString(), "ExecuteQueryData Error");
-            }
-            finally
-            {
-                if (conn.State == ConnectionState.Open) conn.Close();
-            }
-            return dt;
-        }
 
         public string DB_Send_CMD_Search(string cmd)
         {
@@ -308,10 +297,9 @@ namespace UniMarc
         }
         public int DB_Send_CMD_reVoid(string cmd)
         {
-            var cnt =  Helper_DB.ExcuteNonQuery(cmd,out string message);
-            if (cnt == -1) UTIL.MsgE($"데이터베이스 실행오류\n{message}");
-            return cnt;
-
+            var ret = Helper_DB.ExcuteNonQuery(cmd);
+            if (ret.applyCount == -1) UTIL.MsgE($"데이터베이스 실행오류\n{ret.errorMessage}");
+            return ret.applyCount;
         }
 
         public long DB_Send_CMD_Insert_GetIdx(string cmd)
diff --git a/unimarc/unimarc/Login.cs b/unimarc/unimarc/Login.cs
index 2d19ecb..445c6e5 100644
--- a/unimarc/unimarc/Login.cs
+++ b/unimarc/unimarc/Login.cs
@@ -79,7 +79,7 @@ namespace UniMarc
                         return;
                     }
                     ((Main)(this.Owner)).IPText.Text = string.Format("접속 아이피 : {0}", lbl_IP.Text);
-                    db.DB_Send_CMD_reVoid(
+                    Helper_DB.ExcuteNonQuery(
                         string.Format("UPDATE `User_Data` SET `lastIP` = \"{0}\", `lastDate` = \"{2}\" WHERE `ID` = \"{1}\"",
                         lbl_IP.Text, ID_text.Text, DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"))
                         );
diff --git a/unimarc/unimarc/납품관리/Book_Lookup.cs b/unimarc/unimarc/납품관리/Book_Lookup.cs
index fff3425..6d8e51c 100644
--- a/unimarc/unimarc/납품관리/Book_Lookup.cs
+++ b/unimarc/unimarc/납품관리/Book_Lookup.cs
@@ -210,7 +210,7 @@ namespace UniMarc
             string[] idx_col = { lbl_idx.Text };
 
             string U_cmd = db.More_Update("Obj_List_Book", Table, List_book, idx_table, idx_col);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             MessageBox.Show("저장되었습니다.");
         }
         private void btn_close_Click(object sender, EventArgs e)
@@ -227,7 +227,7 @@ namespace UniMarc
             string[] search_col = { PUB.user.CompanyIdx, 
                         tb_List_name.Text, tb_book_name.Text, tb_author.Text, tb_book_comp.Text, tb_isbn.Text };
             string U_cmd = db.More_Update("Obj_List_Book", edit_tbl, edit_col, search_tbl, search_col);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             MessageBox.Show(tb_book_name.Text + "가 입고처리되었습니다.");
             mk_Grid();
         }
@@ -243,7 +243,7 @@ namespace UniMarc
             string[] search_col = { PUB.user.CompanyIdx,
                 tb_List_name.Text, tb_book_name.Text, tb_author.Text, tb_book_comp.Text, tb_isbn.Text };
             string U_cmd = db.More_Update("Obj_List_Book", edit_tbl, edit_col, search_tbl, search_col);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             MessageBox.Show(tb_book_name.Text + "가 미입고처리되었습니다.");
             mk_Grid();
diff --git a/unimarc/unimarc/납품관리/Bring_Back.cs b/unimarc/unimarc/납품관리/Bring_Back.cs
index 4613b23..3006ef4 100644
--- a/unimarc/unimarc/납품관리/Bring_Back.cs
+++ b/unimarc/unimarc/납품관리/Bring_Back.cs
@@ -93,7 +93,7 @@ namespace UniMarc
             string[] edit_col = { "import", "etc" };
             string[] edit_data = { "미입고", "반품처리 " + dataGridView1.Rows[a].Cells["etc"].Value.ToString() };
             string U_cmd = db.More_Update("Obj_List_Book", edit_col, edit_data, sear_col, sear_data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
         }
         #endregion
         private void dataGridView1_CellDoubleClick(object sender, DataGridViewCellEventArgs e)
diff --git a/unimarc/unimarc/납품관리/Commodity_Edit.cs b/unimarc/unimarc/납품관리/Commodity_Edit.cs
index 0421848..399224b 100644
--- a/unimarc/unimarc/납품관리/Commodity_Edit.cs
+++ b/unimarc/unimarc/납품관리/Commodity_Edit.cs
@@ -60,7 +60,7 @@ namespace UniMarc
             string[] book_data = { date, New_Name.Text };
 
             string U_cmd = DB.More_Update("Obj_List_Book", book_col, book_data, book_search_col, book_search_data);
-            DB.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             ////////////////////////////////////////
 
@@ -71,7 +71,7 @@ namespace UniMarc
             string[] list_data = { date, New_Clit.Text, New_Dlv.Text, New_User.Text, New_Name.Text };
 
             U_cmd = DB.More_Update("Obj_List", list_col, list_data, list_search_col, list_search_data);
-            DB.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             Close();
         }
diff --git a/unimarc/unimarc/납품관리/Commodity_Morge.cs b/unimarc/unimarc/납품관리/Commodity_Morge.cs
index 2743df7..3fde889 100644
--- a/unimarc/unimarc/납품관리/Commodity_Morge.cs
+++ b/unimarc/unimarc/납품관리/Commodity_Morge.cs
@@ -99,7 +99,7 @@ namespace UniMarc
 
             string cmd = "";
             cmd = DB.More_Update("Obj_List_Book", up_col, up_data1, up_col, up_data2);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             int cout1 = Convert.ToInt32(list1[7]);
             int cout2 = Convert.ToInt32(list2[7]);
             int cout = cout1 + cout2;
@@ -111,17 +111,17 @@ namespace UniMarc
             string[] edit_col = { "total", "compidx" };
             string[] edit_data = { tol.ToString(), com.comp_idx };
             cmd = DB.More_Update("Obj_List_Marc", edit_col, edit_data, up_col, up_data1);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             cmd = DB.DB_Delete_More_term("Obj_List_Marc", "compidx", com.comp_idx, up_col, up_data2);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             edit_col[1] = "vol";
             edit_data[1] = cout.ToString();
             up_col[0] = "comp_num";
             cmd = DB.More_Update("Obj_List", edit_col, edit_data, up_col, up_data1);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             cmd = DB.DB_Delete_More_term("Obj_List", "comp_num", com.comp_idx, up_col, up_data2);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
         }
         /// <summary>
         /// data1가 data2으로 적용됨. 1 => 2로
@@ -133,7 +133,7 @@ namespace UniMarc
             string[] up_data2 = tmp2.ToArray();
             string cmd = "";
             cmd = DB.More_Update("Obj_List_Book", up_col, up_data2, up_col, up_data1);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             int cout1 = Convert.ToInt32(list1[7]);
             int cout2 = Convert.ToInt32(list2[7]);
             int cout = cout1 + cout2;
@@ -145,17 +145,17 @@ namespace UniMarc
             string[] edit_col = { "total", "compidx" };
             string[] edit_data = { tol.ToString(), com.comp_idx };
             cmd = DB.More_Update("Obj_List_Marc", edit_col, edit_data, up_col, up_data2);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             cmd = DB.DB_Delete_More_term("Obj_List_Marc", "compidx", com.comp_idx, up_col, up_data1);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             edit_col[1] = "vol";
             edit_data[1] = cout.ToString();
             up_col[0] = "comp_num";
             cmd = DB.More_Update("Obj_List", edit_col, edit_data, up_col, up_data2);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             cmd = DB.DB_Delete_More_term("Obj_List", "comp_num", com.comp_idx, up_col, up_data1);
-            DB.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
         }
     }
 }
diff --git a/unimarc/unimarc/납품관리/Commodity_registration.cs b/unimarc/unimarc/납품관리/Commodity_registration.cs
index 4880d42..93175dc 100644
--- a/unimarc/unimarc/납품관리/Commodity_registration.cs
+++ b/unimarc/unimarc/납품관리/Commodity_registration.cs
@@ -220,7 +220,7 @@ namespace UniMarc
                                  data[12], PUB.user.CompanyIdx, data[7] };
 
             string Incmd = db.DB_INSERT("Obj_List", col_name, setData);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
 
             Grid1_total();
             dataGridView2.Rows.Add(add_grid_data);
@@ -288,9 +288,9 @@ namespace UniMarc
                     string[] del_table = { "date", "list_name" };
 
                     string cmd = db.DB_Delete_More_term("Obj_List", "comp_num", PUB.user.CompanyIdx, del_table, del_target);
-                    db.DB_Send_CMD_reVoid(cmd);
+                    Helper_DB.ExcuteNonQuery(cmd);
                     cmd = db.DB_Delete_No_Limit("Obj_List_Book", "compidx", comp_idx, del_table, del_target);
-                    db.DB_Send_CMD_reVoid(cmd);
+                    Helper_DB.ExcuteNonQuery(cmd);
 
                     dataGridView2.Rows.Remove(dataGridView2.Rows[delcout]);
                 }
@@ -392,7 +392,7 @@ namespace UniMarc
                     }
                 }
                 string Incmd = db.DB_INSERT("Obj_List_Book", DB_col_name, setData);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
             }
         }
         private void dataGridView2_CellClick(object sender, DataGridViewCellEventArgs e)
@@ -446,7 +446,7 @@ namespace UniMarc
                         string[] sear_name = { dataGridView2.Rows[a].Cells["list_date"].Value.ToString(),
                                                dataGridView2.Rows[a].Cells["list_name"].Value.ToString() };
                         string U_cmd = db.More_Update("Obj_List", edit_col, edit_name, seer_col, sear_name);
-                        db.DB_Send_CMD_reVoid(U_cmd);
+                        Helper_DB.ExcuteNonQuery(U_cmd);
                         dataGridView2.Rows[a].Cells["stat2"].Value = "진행";
                     }
                 }
@@ -468,7 +468,7 @@ namespace UniMarc
                         string[] sear_name = { dataGridView2.Rows[a].Cells["list_date"].Value.ToString(),
                                                dataGridView2.Rows[a].Cells["list_name"].Value.ToString() };
                         string U_cmd = db.More_Update("Obj_List", edit_col, edit_name, seer_col, sear_name);
-                        db.DB_Send_CMD_reVoid(U_cmd);
+                        Helper_DB.ExcuteNonQuery(U_cmd);
                         dataGridView2.Rows[a].Cells["stat2"].Value = "완료";
                     }
                 }
diff --git a/unimarc/unimarc/납품관리/Input_Lookup_Stock.cs b/unimarc/unimarc/납품관리/Input_Lookup_Stock.cs
index 76e1041..b797c20 100644
--- a/unimarc/unimarc/납품관리/Input_Lookup_Stock.cs
+++ b/unimarc/unimarc/납품관리/Input_Lookup_Stock.cs
@@ -85,7 +85,7 @@ namespace UniMarc
             string[] where = { "book_name", "isbn", "book_comp", "author", "pay",
                                "order", "count", "import_date", "compidx" };
             string Incmd = db.DB_INSERT(table_name, where, input);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
             MessageBox.Show("저장되었습니다!");
         }
         private bool grid_text_savechk()
@@ -181,7 +181,7 @@ namespace UniMarc
             string[] edit_where = { "book_name", "isbn", "book_comp", "author", "pay",
                                     "order", "count" };
             string U_cmd = db.More_Update(table_name, edit_where, edit_data, ser_where, ser_data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             dataGridView1.Rows[rowidx].Cells["book_name"].Value = tb_book_name.Text;
             dataGridView1.Rows[rowidx].Cells["isbn"].Value = tb_isbn.Text;
diff --git a/unimarc/unimarc/납품관리/List_Chk_Work.cs b/unimarc/unimarc/납품관리/List_Chk_Work.cs
index fc976eb..30a0ee5 100644
--- a/unimarc/unimarc/납품관리/List_Chk_Work.cs
+++ b/unimarc/unimarc/납품관리/List_Chk_Work.cs
@@ -105,7 +105,7 @@ namespace UniMarc
                     dataGridView1.Rows[a].Cells["book_name"].Value.ToString() };
 
                 string U_cmd = db.More_Update("Obj_List_Book", edit_col, edit_data, search_col, search_data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
         }
         /// <summary>
diff --git a/unimarc/unimarc/납품관리/List_aggregation.cs b/unimarc/unimarc/납품관리/List_aggregation.cs
index dcac6b7..d92bcec 100644
--- a/unimarc/unimarc/납품관리/List_aggregation.cs
+++ b/unimarc/unimarc/납품관리/List_aggregation.cs
@@ -244,7 +244,7 @@ namespace UniMarc
                     dataGridView1.Rows[a].Cells["idx"].Value.ToString()
                 };
                 string U_cmd = db.More_Update(table, Edit_col, Edit_Data, Search_col, Search_Data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             MessageBox.Show("저장되었습니다.");
         }
@@ -272,10 +272,10 @@ namespace UniMarc
             Sales(db_res, value);
 
             string U_cmd = db.More_Update("Obj_List_Marc", Edit_col, Edit_data, Search_col, Search_data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             Search_col[0] = "comp_num";
             U_cmd = db.More_Update("Obj_List", Edit_col, Edit_data, Search_col, Search_data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             MessageBox.Show("정상적으로 완료처리 되었습니다.");
         }
@@ -323,7 +323,7 @@ namespace UniMarc
                 book[5], out_per, total[0], total[1], total[2], book[6], etc };
 
             string Incmd = db.DB_INSERT("Sales", col_name, insert_data);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
         }
         private string[] Cal_out_price(string price_st, string count_st, string out_per_st, string in_per_st)
         {
diff --git a/unimarc/unimarc/납품관리/Order_input.cs b/unimarc/unimarc/납품관리/Order_input.cs
index 4c73f6a..41d376d 100644
--- a/unimarc/unimarc/납품관리/Order_input.cs
+++ b/unimarc/unimarc/납품관리/Order_input.cs
@@ -279,7 +279,7 @@ namespace UniMarc
                 if (edit_data[1] == "") { edit_data[1] = "0"; }
                 else if (edit_data[1] == "V") { edit_data[1] = "1"; }
                 string U_cmd = db.More_Update("Obj_List_Book", edit_col, edit_data, sear_col, sear_data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             MessageBox.Show("저장되었습니다!");
         }
@@ -638,12 +638,12 @@ namespace UniMarc
             string Fax_Key = fax.Send_BaroFax(filename, fax_param);
 
             string U_cmd = db.DB_Update("Comp", "fax_Key", Fax_Key, "idx", compidx);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             string[] col_Name = { "compidx", "구분", "팩스전송키", "날짜", "시간", "전송파일명" };
             string[] set_Data = { compidx, "팩스", Fax_Key, Date, Time, filename };
             string Incmd = db.DB_INSERT("Send_Order", col_Name, set_Data);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
 
             return true;
         }
@@ -701,7 +701,7 @@ namespace UniMarc
                 string[] col_Name = { "compidx", "구분", "거래처명", "날짜", "시간", "보낸이", "받는이", "전송파일명", "전송결과" };
                 string[] set_Data = { compidx, "메일", pur, Date, Time, arr_db[0], m_send, filename, "성공" };
                 string Incmd = db.DB_INSERT("Send_Order", col_Name, set_Data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
                 lbl_OrderStat.Text = "메일 전송 성공!";
                 return true;
             }
diff --git a/unimarc/unimarc/납품관리/Purchase.cs b/unimarc/unimarc/납품관리/Purchase.cs
index b52b849..622755d 100644
--- a/unimarc/unimarc/납품관리/Purchase.cs
+++ b/unimarc/unimarc/납품관리/Purchase.cs
@@ -651,7 +651,7 @@ namespace UniMarc
                 string[] edit_Data = { "입고", dataGridView2.Rows[a].Cells["Date"].Value.ToString(), 
                                        dataGridView2.Rows[a].Cells["isbn2"].Value.ToString() };
                 string U_cmd = db.More_Update("Obj_List_Book", edit_Col, edit_Data, search_Col, search_Data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             /* 입고작업을 하려는 책이 재고에 있을 경우, 재고 -1이 되어야함.
              * 만약 재고수보다 입고수가 더 많을경우는?
@@ -694,7 +694,7 @@ namespace UniMarc
                 string[] Edit_col = { "input_count" };
                 string[] Edit_data = { Inven_count(db_data[0], dataGridView2.Rows[a].Cells["count2"].Value.ToString(), a) };
                 string U_cmd = db.More_Update("Obj_List_Book", Edit_col, Edit_data, Search_col, Search_data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
         }
         /// <summary>
@@ -736,7 +736,7 @@ namespace UniMarc
                 dataGridView2.Rows[row].Cells["list_name2"].Value.ToString()
             };
             string U_cmd = db.More_Update("Obj_List_Book", Edit_Col, Edit_Data, Search_Name, Search_Data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             dataGridView2.Rows[row].Cells["edasd"].Value = res.ToString();
         }
@@ -791,7 +791,7 @@ namespace UniMarc
             if (db_res.Length < 3)
             {
                 string Incmd = db.DB_INSERT("Inven", input_col, input_data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
                 MessageBox.Show("DB 새로 추가");
                 return;
             }
@@ -804,7 +804,7 @@ namespace UniMarc
                 count += data;
                 MessageBox.Show("DB 수정");
                 string U_cmd = db.DB_Update("Inven", "count", count.ToString(), "idx", cout[0]);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             
         }
@@ -833,7 +833,7 @@ namespace UniMarc
                     tata[9] = "재고가감";
                 }
                 string Incmd = db.DB_INSERT("Buy_ledger", Area, tata);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
             }
         }
         /// <summary>
diff --git a/unimarc/unimarc/마스터/From_User_manage_List.cs b/unimarc/unimarc/마스터/From_User_manage_List.cs
index 13ca712..eef171e 100644
--- a/unimarc/unimarc/마스터/From_User_manage_List.cs
+++ b/unimarc/unimarc/마스터/From_User_manage_List.cs
@@ -70,13 +70,13 @@ namespace UniMarc
                 ,nudCompIDX.Value.ToString(),tbIP.Text
             };  // 15
             tCmd = mDb.DB_INSERT("Comp", tInsertCol, tInsertData);
-            mDb.DB_Send_CMD_reVoid(tCmd);
+            Helper_DB.ExcuteNonQuery(tCmd);
 
             //// IP 적용
             //string[] IP_Col = { "compidx", "comp", "IP" };
             //string[] IP_Data = { mDb.chk_comp(tb_sangho.Text), tb_sangho.Text, tbIP.Text };//cb_IPList.Text
             //tCmd = mDb.DB_INSERT("Comp_IP", IP_Col, IP_Data);
-            //mDb.DB_Send_CMD_reVoid(tCmd);
+            //Helper_DB.ExcuteNonQuery(tCmd);
 
             RefreshList();
 
@@ -106,7 +106,7 @@ namespace UniMarc
                 string[] tSearch_col = { dgvList.SelectedRows[0].Cells["dbIDX"].Value.ToString() };
                 string U_cmd = mDb.More_Update("Comp", tEdit_tbl, tEdit_col, tSearch_tbl, tSearch_col);
 
-                mDb.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             RefreshList();
         }
@@ -123,7 +123,7 @@ namespace UniMarc
             if (UTIL.MsgQ(tText) == DialogResult.Yes)
             {
                 string tD_cmd = mDb.DB_Delete("Comp", "idx", dgvList.SelectedRows[0].Cells["dbIDX"].Value.ToString(), "comp_name", dgvList.SelectedRows[0].Cells["comp_name"].Value.ToString());
-                mDb.DB_Send_CMD_reVoid(tD_cmd);
+                Helper_DB.ExcuteNonQuery(tD_cmd);
                 TextClear();
             }
             RefreshList();
diff --git a/unimarc/unimarc/마스터/User_manage.cs b/unimarc/unimarc/마스터/User_manage.cs
index c61ac7e..916cdbc 100644
--- a/unimarc/unimarc/마스터/User_manage.cs
+++ b/unimarc/unimarc/마스터/User_manage.cs
@@ -106,13 +106,13 @@ namespace UniMarc
                 tb_bank_comp.Text, tb_bank_no.Text, tb_email.Text, tb_barea.Text, "외부업체"
             };  // 15
 
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("Comp", InsertCol, InsertData));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("Comp", InsertCol, InsertData));
 
             // IP 적용
             string[] IP_Col = { "compidx","comp", "IP" };
             string[] IP_Data = { db.chk_comp(tb_sangho.Text), tb_sangho.Text,tbIP.Text  };//cb_IPList.Text
 
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("Comp_IP", IP_Col, IP_Data));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("Comp_IP", IP_Col, IP_Data));
 
             InsertAccount(tb_sangho.Text);
         }
@@ -129,11 +129,11 @@ namespace UniMarc
             string[] InsertUserSubData = { ID };
             string[] InsertUserSubCol = { "id" };
 
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("User_Data", InsertCol, InsertData));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("User_Data", InsertCol, InsertData));
 
             // User_ShortCut, User_Access 추가.
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("User_ShortCut", InsertUserSubCol, InsertUserSubData));
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("User_Access", InsertUserSubCol, InsertUserSubData));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("User_ShortCut", InsertUserSubCol, InsertUserSubData));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("User_Access", InsertUserSubCol, InsertUserSubData));
         }
 
         private void btn_close_Click(object sender, EventArgs e)
diff --git a/unimarc/unimarc/마크/AddMarc.cs b/unimarc/unimarc/마크/AddMarc.cs
index e3082d0..e737f88 100644
--- a/unimarc/unimarc/마크/AddMarc.cs
+++ b/unimarc/unimarc/마크/AddMarc.cs
@@ -335,7 +335,7 @@ namespace UniMarc
             //}
             string UpCMD = db.More_Update(Table, EditTable, EditColumn, SearchTable, SearchColumn);
             PUB.log.Add("ADDMarcUPDATE", string.Format("{0}({1}) : {2}", PUB.user.UserName, PUB.user.CompanyIdx, UpCMD.Replace("\r", " ").Replace("\n", " ")));
-            db.DB_Send_CMD_reVoid(UpCMD);
+            Helper_DB.ExcuteNonQuery(UpCMD);
         }
     
 
@@ -365,7 +365,7 @@ namespace UniMarc
 
             string InCMD = db.DB_INSERT(Table, InsertTable, InsertColumn);
             PUB.log.Add("ADDMarcINSERT", string.Format("{0}({1}) : {2}", PUB.user.UserName, PUB.user.CompanyIdx, InCMD.Replace("\r", " ").Replace("\n", " ")));
-            db.DB_Send_CMD_reVoid(InCMD);
+            Helper_DB.ExcuteNonQuery(InCMD);
         }
 
         /// <summary>
diff --git a/unimarc/unimarc/마크/AddMarc2.cs b/unimarc/unimarc/마크/AddMarc2.cs
index 5d3fcbb..6e9ea1e 100644
--- a/unimarc/unimarc/마크/AddMarc2.cs
+++ b/unimarc/unimarc/마크/AddMarc2.cs
@@ -265,7 +265,7 @@ namespace UniMarc
             //}
             string UpCMD = db.More_Update(Table, EditTable, EditColumn, SearchTable, SearchColumn);
             PUB.log.Add("ADDMarcUPDATE", string.Format("{0}({1}) : {2}", PUB.user.UserName, PUB.user.CompanyIdx, UpCMD.Replace("\r", " ").Replace("\n", " ")));
-            db.DB_Send_CMD_reVoid(UpCMD);
+            Helper_DB.ExcuteNonQuery(UpCMD);
         }
 
         /// <summary>
@@ -294,7 +294,7 @@ namespace UniMarc
 
             string InCMD = db.DB_INSERT(Table, InsertTable, InsertColumn);
             PUB.log.Add("ADDMarcINSERT", string.Format("{0}({1}) : {2}", PUB.user.UserName, PUB.user.CompanyIdx, InCMD.Replace("\r", " ").Replace("\n", " ")));
-            db.DB_Send_CMD_reVoid(InCMD);
+            Helper_DB.ExcuteNonQuery(InCMD);
         }
 
         /// <summary>
diff --git a/unimarc/unimarc/마크/All_Book_manage.cs b/unimarc/unimarc/마크/All_Book_manage.cs
index 7b17fa3..b816bda 100644
--- a/unimarc/unimarc/마크/All_Book_manage.cs
+++ b/unimarc/unimarc/마크/All_Book_manage.cs
@@ -172,7 +172,7 @@ namespace UniMarc
                     dataGridView1.Rows[V_idx].Cells["set_price"].Value.ToString() };
 
                 string cmd = db.DB_Delete_No_Limit("Set_Book", "compidx", PUB.user.CompanyIdx, delete_area, delete_data);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
             }
 
             btn_Search_Click(null, null);
diff --git a/unimarc/unimarc/마크/All_Book_manage_Add.cs b/unimarc/unimarc/마크/All_Book_manage_Add.cs
index e8d5c0e..374fb6d 100644
--- a/unimarc/unimarc/마크/All_Book_manage_Add.cs
+++ b/unimarc/unimarc/마크/All_Book_manage_Add.cs
@@ -85,7 +85,7 @@ namespace UniMarc
                                         dataGridView1.Rows[a].Cells["price"].Value.ToString(), PUB.user.UserName };
 
                 string Incmd = db.DB_INSERT("Set_Book", insert_tbl, insert_col);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
             }
 
             MessageBox.Show("저장완료");
diff --git a/unimarc/unimarc/마크/All_Book_manage_Edit.cs b/unimarc/unimarc/마크/All_Book_manage_Edit.cs
index e0e68ef..d7db9d6 100644
--- a/unimarc/unimarc/마크/All_Book_manage_Edit.cs
+++ b/unimarc/unimarc/마크/All_Book_manage_Edit.cs
@@ -57,7 +57,7 @@ namespace UniMarc
                                   tb_set_price_new.Text };
 
             string U_cmd = db.More_Update(table, edit_tbl, edit_col, sear_tbl, sear_col);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             MessageBox.Show("변경되었습니다!");
             manage.btn_Search_Click(null, null);
             this.Close();
diff --git a/unimarc/unimarc/마크/CD_LP.cs b/unimarc/unimarc/마크/CD_LP.cs
index 099b3bb..5ac84b1 100644
--- a/unimarc/unimarc/마크/CD_LP.cs
+++ b/unimarc/unimarc/마크/CD_LP.cs
@@ -164,7 +164,7 @@ namespace UniMarc
             string[] SearchCol = { "idx" };
             string[] SearchData = { midx };
 
-            db.DB_Send_CMD_reVoid(db.More_Update("DVD_Marc", EditCol, EditData, SearchCol, SearchData));
+            Helper_DB.ExcuteNonQuery(db.More_Update("DVD_Marc", EditCol, EditData, SearchCol, SearchData));
             dataGridView1.Rows[row].Cells["marc"].Value = orimarc;
         }
 
@@ -333,7 +333,7 @@ namespace UniMarc
 
             string[] InsertCol = { "Code", "user", "date", "Marc", "etc1", "etc2" };
             string[] InsertData = { code, user, date, orimarc, etcData1, etcData2 };
-            db.DB_Send_CMD_reVoid(db.DB_INSERT("DVD_Marc", InsertCol, InsertData));
+            Helper_DB.ExcuteNonQuery(db.DB_INSERT("DVD_Marc", InsertCol, InsertData));
 
             dataGridView1.Rows[row].Cells["m_idx"].Value =
                 db.DB_Send_CMD_Search(
@@ -519,7 +519,7 @@ namespace UniMarc
                         dataGridView1.Rows[a].Cells["comp"].Value.ToString(),
                         dataGridView1.Rows[a].Cells["price"].Value.ToString()
                     };
-                    db.DB_Send_CMD_reVoid(db.DB_INSERT("DVD_List_Product", Insert_col, Insert_data));
+                    Helper_DB.ExcuteNonQuery(db.DB_INSERT("DVD_List_Product", Insert_col, Insert_data));
                 }
             }
 
@@ -527,7 +527,7 @@ namespace UniMarc
 
             for (int a = 0; a < DeleteIndex.Count; a++)
             {
-                db.DB_Send_CMD_reVoid(db.DB_Delete("DVD_List_Product", "compidx", PUB.user.CompanyIdx, "idx", DeleteIndex[a]));
+                Helper_DB.ExcuteNonQuery(db.DB_Delete("DVD_List_Product", "compidx", PUB.user.CompanyIdx, "idx", DeleteIndex[a]));
             }
         }
 
diff --git a/unimarc/unimarc/마크/CD_LP_AddList.cs b/unimarc/unimarc/마크/CD_LP_AddList.cs
index 3b0cc71..c6e3c68 100644
--- a/unimarc/unimarc/마크/CD_LP_AddList.cs
+++ b/unimarc/unimarc/마크/CD_LP_AddList.cs
@@ -84,8 +84,8 @@ namespace UniMarc
             ProductCMD = ProductCMD.TrimEnd(',');
             ProductCMD += ";";
 
-            db.DB_Send_CMD_reVoid(listCMD);
-            db.DB_Send_CMD_reVoid(ProductCMD);
+            Helper_DB.ExcuteNonQuery(listCMD);
+            Helper_DB.ExcuteNonQuery(ProductCMD);
 
             MessageBox.Show("저장되었습니다.");
         }
diff --git a/unimarc/unimarc/마크/CD_LP_List.cs b/unimarc/unimarc/마크/CD_LP_List.cs
index 2c34a67..d2df1f3 100644
--- a/unimarc/unimarc/마크/CD_LP_List.cs
+++ b/unimarc/unimarc/마크/CD_LP_List.cs
@@ -363,7 +363,7 @@ namespace UniMarc
             for (int a = SelectIndex.Count - 1; a >= 0; a--)
             {
                 dataGridView1.Rows.RemoveAt(SelectIndex[a]);
-                db.DB_Send_CMD_reVoid(
+                Helper_DB.ExcuteNonQuery(
                     db.DB_Delete("DVD_List_Product", "idx", dataGridView1.Rows[SelectIndex[a]].Cells["idx"].Value.ToString(), "compidx", compidx)
                     );
             }
diff --git a/unimarc/unimarc/마크/CD_LP_SelectList.cs b/unimarc/unimarc/마크/CD_LP_SelectList.cs
index 35fa455..1b2796b 100644
--- a/unimarc/unimarc/마크/CD_LP_SelectList.cs
+++ b/unimarc/unimarc/마크/CD_LP_SelectList.cs
@@ -105,7 +105,7 @@ namespace UniMarc
                 string compidx = Properties.Settings.Default.compidx;
 
                 string cmd = db.DB_Delete("DVD_List", "compidx", compidx, "idx", idx);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
 
                 MessageBox.Show("삭제되었습니다.");
             }
diff --git a/unimarc/unimarc/마크/Check_ISBN.cs b/unimarc/unimarc/마크/Check_ISBN.cs
index 757eaad..d5dcf16 100644
--- a/unimarc/unimarc/마크/Check_ISBN.cs
+++ b/unimarc/unimarc/마크/Check_ISBN.cs
@@ -727,12 +727,12 @@ namespace UniMarc
                     Search_tbl[0] = "set_book_name";
 
                 string U_cmd = db.More_Update("Obj_List_Book", Edit_tbl, Edit_Col, Search_tbl, Search_col, 1);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
 
                 if (Check_Marc.Checked) {
                     string CMcmd = string.Format("UPDATE `Obj_List_Book` SET `isbn_marc` = \"{0}\" WHERE `idx` = \"{1}\"",
                         Edit_Col[0], Search_col[0]);
-                    db.DB_Send_CMD_reVoid(CMcmd);
+                    Helper_DB.ExcuteNonQuery(CMcmd);
                 }                   
             }
             MessageBox.Show("저장되었습니다!");
diff --git a/unimarc/unimarc/마크/Check_ISBN_Split.cs b/unimarc/unimarc/마크/Check_ISBN_Split.cs
index 079b3b9..5ce1e5d 100644
--- a/unimarc/unimarc/마크/Check_ISBN_Split.cs
+++ b/unimarc/unimarc/마크/Check_ISBN_Split.cs
@@ -141,7 +141,7 @@ namespace UniMarc
             };
             // 정가 != 단가 일경우 INSERT 오류 발생.
             string Incmd = db.DB_INSERT("Obj_List_Book", Insert_col, tmp_db);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
         }
         #endregion
 
diff --git a/unimarc/unimarc/마크/MacEditorParameter.cs b/unimarc/unimarc/마크/MacEditorParameter.cs
index f38216b..3a3997c 100644
--- a/unimarc/unimarc/마크/MacEditorParameter.cs
+++ b/unimarc/unimarc/마크/MacEditorParameter.cs
@@ -23,6 +23,7 @@ namespace UniMarc
         public string text008 { get; set; }
         public string tag056 { get; set; }
         public bool NewMake { get; set; }
+        public string OriginalMarc { get; set; }
     }
 
 }
\ No newline at end of file
diff --git a/unimarc/unimarc/마크/Mac_Input.cs b/unimarc/unimarc/마크/Mac_Input.cs
index 0b7ab03..a933f86 100644
--- a/unimarc/unimarc/마크/Mac_Input.cs
+++ b/unimarc/unimarc/마크/Mac_Input.cs
@@ -165,7 +165,7 @@ namespace UniMarc
 
                     // string Incmd = db.DB_INSERT_DUPLICATE(table, col, data);
                     string Incmd = db.DB_INSERT(table, col, data);
-                    db.DB_Send_CMD_reVoid(Incmd);
+                    Helper_DB.ExcuteNonQuery(Incmd);
                 }
                 catch (Exception ex) { MessageBox.Show(ex.Message); }
             }
diff --git a/unimarc/unimarc/마크/Mac_List.cs b/unimarc/unimarc/마크/Mac_List.cs
index 239ea69..a20ad81 100644
--- a/unimarc/unimarc/마크/Mac_List.cs
+++ b/unimarc/unimarc/마크/Mac_List.cs
@@ -72,7 +72,7 @@ namespace UniMarc
                 "AND `chk_marc` > 0;",
                 Area, table, compidx, search, state);
             
-            DataTable dt = db.ExecuteQueryData(cmd);
+            DataTable dt = Helper_DB.ExecuteQueryData(cmd);
             List<MacListItem> items = new List<MacListItem>();
 
             if (dt == null || dt.Rows.Count == 0)
@@ -132,7 +132,7 @@ namespace UniMarc
                     string[] sear_tbl = { item.idx, compidx };
 
                     string U_cmd = db.More_Update(table, edit_col, edit_tbl, sear_col, sear_tbl);
-                    db.DB_Send_CMD_reVoid(U_cmd);
+                    Helper_DB.ExcuteNonQuery(U_cmd);
 
                     item.check = "";
                 }
@@ -226,7 +226,7 @@ namespace UniMarc
             string[] sear_col = { "idx", "comp_num" };
             string[] sear_tbl = { item.idx, compidx };
             string U_cmd = db.More_Update("Obj_List", edit_col, edit_tbl, sear_col, sear_tbl);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
         }
 
         void state_Save(int row)
@@ -244,12 +244,12 @@ namespace UniMarc
             {
                 string l_idx = item.idx;
                 string D_cmd = db.DB_Delete("Obj_List", "comp_num", compidx, "idx", l_idx);
-                db.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
 
                 string[] delete_tbl = { "l_idx" };
                 string[] deleteData = { l_idx };
                 D_cmd = db.DB_Delete_No_Limit("Obj_List_Book", "compidx", compidx, delete_tbl, deleteData);
-                db.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
             }
 
             MessageBox.Show("삭제되었습니다.");
diff --git a/unimarc/unimarc/마크/Mac_List_Add.cs b/unimarc/unimarc/마크/Mac_List_Add.cs
index bea7e90..6fde103 100644
--- a/unimarc/unimarc/마크/Mac_List_Add.cs
+++ b/unimarc/unimarc/마크/Mac_List_Add.cs
@@ -143,13 +143,13 @@ namespace UniMarc
             InList_Col[5] = TotalCount.ToString();
             string InList_Cmd = db.DB_INSERT("Obj_List", InList_Tbl, InList_Col);
 
-            db.DB_Send_CMD_reVoid(InList_Cmd);
+            Helper_DB.ExcuteNonQuery(InList_Cmd);
 
             string listIdx = db.DB_Send_CMD_Search(db.More_DB_Search("Obj_List", InList_Tbl, InList_Col, "`idx`")).Replace("|", "");
             string InBook_Col = string.Join(", ", InBook_List).Replace(InList_Idx, listIdx);
             string InBook_Cmd = string.Format("INSERT INTO `Obj_List_Book` ({0}) VALUES {1};", InBook_Area, InBook_Col);
 
-            db.DB_Send_CMD_reVoid(InBook_Cmd);
+            Helper_DB.ExcuteNonQuery(InBook_Cmd);
 
             MessageBox.Show("저장되었습니다!");
             ml.btn_Lookup_Click(null, null);
diff --git a/unimarc/unimarc/마크/Mac_List_Merge.cs b/unimarc/unimarc/마크/Mac_List_Merge.cs
index 629c0e7..de73513 100644
--- a/unimarc/unimarc/마크/Mac_List_Merge.cs
+++ b/unimarc/unimarc/마크/Mac_List_Merge.cs
@@ -110,7 +110,7 @@ namespace UniMarc
             };
             string Incmd = db.DB_INSERT(table, in_col, in_data);
 
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
         }
 
         void book_Insert(int row)
@@ -158,7 +158,7 @@ namespace UniMarc
             string InsertData = string.Join(", ", tmpList);
 
             string InCmd = string.Format("INSERT INTO `{0}` ({1}) VALUES {2};", table, Insert_Col, InsertData);
-            db.DB_Send_CMD_reVoid(InCmd);
+            Helper_DB.ExcuteNonQuery(InCmd);
         }
 
         string Find_ListIndex()
@@ -180,7 +180,7 @@ namespace UniMarc
             {
                 target[0] = dataGridView1.Rows[a].Cells["idx"].Value.ToString();
                 string cmd = db.DB_Delete_More_term(table, "comp_num", ml.compidx, target_area, target);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
 
                 book_Delete(a);
             }
@@ -199,7 +199,7 @@ namespace UniMarc
             };
 
             string cmd = db.DB_Delete_No_Limit(table, "compidx", ml.compidx, target_Col, targetData);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
         }
 
         bool chk_Overlap()
diff --git a/unimarc/unimarc/마크/Marc.cs b/unimarc/unimarc/마크/Marc.cs
index cb3d1ff..980522e 100644
--- a/unimarc/unimarc/마크/Marc.cs
+++ b/unimarc/unimarc/마크/Marc.cs
@@ -283,7 +283,7 @@ namespace UniMarc
                     return Color.Gray;
 
                 case "3": // D
-                    return Color.Red;
+                    return Color.DarkViolet;
 
                 default:
                     return Color.Black;
@@ -533,7 +533,7 @@ namespace UniMarc
 
                 string U_cmd = db.More_Update(table_name, Edit_tbl, Edit_col, Sear_tbl, Sear_col);
                 PUB.log.Add("Update", string.Format("{0}({1},{2}) : {3}", PUB.user.UserName, PUB.user.CompanyIdx, List_Book.Rows[SaveRowIdx].DefaultCellStyle.ForeColor, U_cmd.Replace("\r", " ").Replace("\n", " ")));
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
                 isNewData = false;
             }
 
@@ -550,7 +550,7 @@ namespace UniMarc
             string UpdateListIndex = string.Format("UPDATE `Obj_List_Book` SET `m_idx` = {0} WHERE `idx` = {1} AND 'compidx' ={2};",
                 Midx, List_Book.Rows[SaveRowIdx].Cells["list_idx"].Value.ToString(), PUB.user.CompanyIdx);
             PUB.log.Add("MarcUpdate", string.Format("{0}({1}) : {2}", PUB.user.UserName, PUB.user.CompanyIdx, UpdateListIndex));
-            db.DB_Send_CMD_reVoid(UpdateListIndex);
+            Helper_DB.ExcuteNonQuery(UpdateListIndex);
             MessageBox.Show("저장되었습니다!");
         }
 
@@ -3585,9 +3585,9 @@ namespace UniMarc
                     if (int.TryParse(lbCustIDX.Text, out int custidx) && custidx >= 0)
                     {
                         var sql = $"update Obj_List set customer={custidx} where idx = {l_idx} and comp_num={c_idx}";
-                        var cnt = Helper_DB.ExcuteNonQuery(sql, out string msg);
-                        if (cnt != 1)
-                            UTIL.MsgE($"데이터 저장시 오류가 발생했습니다. 영향을 받은 행 수 = {cnt},메세지={msg}");
+                        var ret = Helper_DB.ExcuteNonQuery(sql);
+                        if (ret.applyCount != 1)
+                            UTIL.MsgE($"데이터 저장시 오류가 발생했습니다. 영향을 받은 행 수 = {ret.applyCount},메세지={ret.errorMessage}");
                     }
 
                 }
diff --git a/unimarc/unimarc/마크/Marc2.cs b/unimarc/unimarc/마크/Marc2.cs
index 0911f5e..6f5849d 100644
--- a/unimarc/unimarc/마크/Marc2.cs
+++ b/unimarc/unimarc/마크/Marc2.cs
@@ -413,7 +413,8 @@ namespace UniMarc
                 Publisher = publisher,
                 Price = price,
                 Remark1 = remark.remark1,
-                Remark2 = remark.remark2
+                Remark2 = remark.remark2,
+                OriginalMarc = dbMarc,
             };
             marcEditorControl1.LoadBookData(dbMarc, p);
         }
@@ -630,7 +631,7 @@ namespace UniMarc
 
                 string U_cmd = db.More_Update(table_name, Edit_tbl, Edit_col, Sear_tbl, Sear_col);
                 PUB.log.Add("Update", string.Format("{0}({1},{2}) : {3}", mUserName, mCompidx, List_Book.Rows[SaveRowIdx].DefaultCellStyle.ForeColor, U_cmd.Replace("\r", " ").Replace("\n", " ")));
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
                 isNewData = false;
             }
 
@@ -650,24 +651,25 @@ namespace UniMarc
             string UpdateListIndex = string.Format("UPDATE `Obj_List_Book` SET `m_idx` = {0} WHERE `idx` = {1} AND 'compidx' ={2};",
                 Midx, List_Book.Rows[SaveRowIdx].Cells["list_idx"].Value.ToString(), mCompidx);
             PUB.log.Add("MarcUpdate", string.Format("{0}({1}) : {2}", mUserName, mCompidx, UpdateListIndex));
-            db.DB_Send_CMD_reVoid(UpdateListIndex);
+            Helper_DB.ExcuteNonQuery(UpdateListIndex);
             MessageBox.Show("저장되었습니다!");
             */
 
+           
             // [신규 방식: 데이터 객체(Item) 중심 로직]
             var item = this.dataList.Where(t => t.ListIdx == e.Param.ListIdx).FirstOrDefault();
             if (item == null) return;
 
             string table_name = "Marc";
             string date = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");
-            string orimarc = e.DBMarc;
-            string Midx = item.MarcIdx;
+            string newsavedMarc = e.DBMarc;
+            //string Midx = item.MarcIdx;
 
             // 1. DB 작업 (저장 전략 결정: Foreground 색상 기준)
             if (item.ForeColor == Color.Orange || item.ForeColor == Color.Red)
             {
                 string[] Insert_tbl = { "ISBN", "서명", "저자", "출판사", "가격", "marc", "비고1", "비고2", "url", "grade", "marc_chk", "user", "division", "008tag", "date", "compidx" };
-                string[] Insert_col = { e.Param.ISBN13, e.Param.BookName, e.Param.Author, e.Param.Publisher, e.Param.Price, orimarc, e.Param.Remark1, e.Param.Remark2, e.Param.URL, e.Param.Grade, "1", mUserName, e.Param.tag056, e.Param.text008, date, mCompidx };
+                string[] Insert_col = { e.Param.ISBN13, e.Param.BookName, e.Param.Author, e.Param.Publisher, e.Param.Price, newsavedMarc, e.Param.Remark1, e.Param.Remark2, e.Param.URL, e.Param.Grade, "1", mUserName, e.Param.tag056, e.Param.text008, date, mCompidx };
 
                 string Incmd = db.DB_INSERT(table_name, Insert_tbl, Insert_col);
                 PUB.log.Add("INSERT", string.Format("{0}({1},{2}) : {3}", mUserName, mCompidx, item.ForeColor, Incmd));
@@ -675,22 +677,21 @@ namespace UniMarc
                 long newIdx = db.DB_Send_CMD_Insert_GetIdx(Incmd);
                 if (newIdx > 0)
                 {
-                    Midx = newIdx.ToString();
-                    item.MarcIdx = Midx;
+                    item.MarcIdx = newIdx.ToString();
                 }
             }
             else
             {
                 string[] Edit_tbl = { "compidx", "marc", "marc_chk", "marc1", "marc_chk1", "비고1", "비고2", "url", "division", "008tag", "date", "user", "grade" };
-                string[] Edit_col = { mCompidx, orimarc, "1", mOldMarc , "0", e.Param.Remark1, e.Param.Remark2, e.Param.URL, e.Param.tag056,e.Param.text008, date, mUserName, e.Param.Grade };
+                string[] Edit_col = { mCompidx, newsavedMarc, "1", e.Param.OriginalMarc , "0", e.Param.Remark1, e.Param.Remark2, e.Param.URL, e.Param.tag056,e.Param.text008, date, mUserName, e.Param.Grade };
                 string[] Sear_tbl = { "idx", "compidx" };
-                string[] Sear_col = { Midx, mCompidx };
+                string[] Sear_col = { item.MarcIdx, mCompidx };
 
                 if (string.IsNullOrEmpty(e.Param.ISBN13)) { MessageBox.Show("ISBN 데이터가 없습니다."); return; }
 
                 string U_cmd = db.More_Update(table_name, Edit_tbl, Edit_col, Sear_tbl, Sear_col);
                 PUB.log.Add("Update", string.Format("{0}({1},{2}) : {3}", mUserName, mCompidx, item.ForeColor, U_cmd.Replace("\r", " ").Replace("\n", " ")));
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
 
             // 2. 객체 데이터 업데이트 및 시각적 상태 계산
@@ -702,8 +703,8 @@ namespace UniMarc
             item.BackColor = GetSaveDateColor(date);
 
             // 3. 목록 인덱스 연동 업데이트 (Obj_List_Book)
-            string UpdateListIndex = string.Format("UPDATE `Obj_List_Book` SET `m_idx` = {0} WHERE `idx` = {1} AND `compidx` ={2};", Midx, item.ListIdx, mCompidx);
-            db.DB_Send_CMD_reVoid(UpdateListIndex);
+            string UpdateListIndex = string.Format("UPDATE `Obj_List_Book` SET `m_idx` = {0} WHERE `idx` = {1} AND `compidx` ={2};", item.MarcIdx, item.ListIdx, mCompidx);
+            Helper_DB.ExcuteNonQuery(UpdateListIndex);
 
             // 4. BindingSource 갱신으로 UI 자동 업데이트
             bs1.ResetCurrentItem();
@@ -990,9 +991,9 @@ namespace UniMarc
                     if (int.TryParse(lbCustIDX.Text, out int custidx) && custidx >= 0)
                     {
                         var sql = $"update Obj_List set customer={custidx} where idx = {pItem.idx} and comp_num={PUB.user.CompanyIdx}";
-                        var cnt = Helper_DB.ExcuteNonQuery(sql, out string msg);
-                        if (cnt != 1)
-                            UTIL.MsgE($"데이터 저장시 오류가 발생했습니다. 영향을 받은 행 수 = {cnt},메세지={msg}");
+                        var ret = Helper_DB.ExcuteNonQuery(sql);
+                        if (ret.applyCount != 1)
+                            UTIL.MsgE($"데이터 저장시 오류가 발생했습니다. 영향을 받은 행 수 = {ret.applyCount},메세지={ret.errorMessage}");
                     }
 
                 }
diff --git a/unimarc/unimarc/마크/MarcCopySelect.cs b/unimarc/unimarc/마크/MarcCopySelect.cs
index 19d9794..13634cb 100644
--- a/unimarc/unimarc/마크/MarcCopySelect.cs
+++ b/unimarc/unimarc/마크/MarcCopySelect.cs
@@ -500,10 +500,10 @@ namespace UniMarc
             };
 
             string InsertCmd = db.DB_INSERT("Marc_Del", InsertCol, InsertData);
-            db.DB_Send_CMD_reVoid(InsertCmd);
+            Helper_DB.ExcuteNonQuery(InsertCmd);
 
             string DeleteCmd = string.Format("DELETE FROM `Marc` WHERE `idx` = {0};", idx);
-            db.DB_Send_CMD_reVoid(DeleteCmd);
+            Helper_DB.ExcuteNonQuery(DeleteCmd);
 
             dataGridView1.Rows.Remove(dataGridView1.Rows[row]);
         }
diff --git a/unimarc/unimarc/마크/Marc_Plan.cs b/unimarc/unimarc/마크/Marc_Plan.cs
index 44cb7e4..3fc4c03 100644
--- a/unimarc/unimarc/마크/Marc_Plan.cs
+++ b/unimarc/unimarc/마크/Marc_Plan.cs
@@ -146,7 +146,7 @@ namespace UniMarc
             string[] Search_col = { "work_list", "date" };
             string[] Search_data = { ListName, date };
             string cmd = db.More_DB_Search(Table, Search_col, Search_data, Area);
-            var res = db.ExecuteQueryData(cmd); // Assumed called above
+            var res = Helper_DB.ExecuteQueryData(cmd); // Assumed called above
             var list = new List<MarcPlanItem>();
             int tCnt = 1;
            
@@ -662,7 +662,7 @@ namespace UniMarc
                     dataGridView1.Rows[a].Cells["idx"].Value.ToString() };
 
                 string Ucmd = db.More_Update(table, Edit_Col, Edit_Data, Where_Col, Where_Data);
-                db.DB_Send_CMD_reVoid(Ucmd);
+                Helper_DB.ExcuteNonQuery(Ucmd);
             }
 
             MessageBox.Show("저장되었습니다.");
diff --git a/unimarc/unimarc/마크/Marc_Plan_PrintLabel.cs b/unimarc/unimarc/마크/Marc_Plan_PrintLabel.cs
index 32afdc0..2d59754 100644
--- a/unimarc/unimarc/마크/Marc_Plan_PrintLabel.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_PrintLabel.cs
@@ -181,7 +181,7 @@ namespace UniMarc
             string idx = dataGridView1.Rows[row].Cells["idx"].Value.ToString();
             string cmd = string.Format("DELETE FROM `PrintLabel` WHERE `idx` = {0}", idx);
 
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             dataGridView1.Rows.Remove(dataGridView1.Rows[row]);
         }
 
@@ -232,7 +232,7 @@ namespace UniMarc
 
                 string U_cmd = db.More_Update("PrintLabel", editCol, editData, SearchCol, SearchData);
 
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
 
                 MessageBox.Show(tb_ListName.Text + "가 성공적으로 수정되었습니다!", "수정완료");
             }
@@ -255,7 +255,7 @@ namespace UniMarc
 
                 string Incmd = db.DB_INSERT("PrintLabel", InsertCol, InsertData);
 
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
 
                 MessageBox.Show(tb_ListName.Text + "가 성공적으로 저장되었습니다!", "저장완료");
             }
diff --git a/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit.cs b/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit.cs
index 37712eb..b0b3f45 100644
--- a/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit.cs
@@ -487,7 +487,7 @@ namespace UniMarc
 
             string cmd = db.More_Update(Table, Update_Col, Update_data, Search_Col, Search_data);
 
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             InputBookData(SearchBookTag);
 
             MessageBox.Show("저장되었습니다!");
@@ -543,7 +543,7 @@ namespace UniMarc
             //}
 
             string Ucmd = db.More_Update(Table, Update_Col, Update_data, Search_Col, Search_data);
-            db.DB_Send_CMD_reVoid(Ucmd);
+            Helper_DB.ExcuteNonQuery(Ucmd);
 
             MessageBox.Show("저장되었습니다!");
 
@@ -704,7 +704,7 @@ namespace UniMarc
             string[] Update_col = { "midx", "num" };
             string[] Update_Data = { tb_Mcode.Text, tb_num.Text };
             string cmd = db.More_Update(Table, Update_col, Update_Data, Search_col, Search_Data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             MessageBox.Show("적용되었습니다!");
         }
diff --git a/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit2.cs b/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit2.cs
index 10f52db..7da6028 100644
--- a/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit2.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_Sub_MarcEdit2.cs
@@ -140,7 +140,7 @@ namespace UniMarc
             };
 
             string cmd = db.More_Update(Table, Update_Col, Update_data, Search_Col, Search_data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             // Notify Parent
             BookUpdated?.Invoke(this, new BookUpdatedEventArgs { BookName = BookName, Marc = oriMarc });
diff --git a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList.cs b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList.cs
index 9d3c8c5..6de9896 100644
--- a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList.cs
@@ -135,7 +135,7 @@ namespace UniMarc
                 update_data[0] = "진행";
 
             string cmd = db.More_Update("Specs_List", update_col, update_data, search_col, search_data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             btn_Search_Click(null, e);
         }
@@ -211,11 +211,11 @@ namespace UniMarc
 
             // 목록 제거
             string cmd = db.DB_Delete_More_term("Specs_List", "idx", idx, search_col, search_data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             // 목록 내 마크 제거
             cmd = db.DB_Delete_No_Limit("Specs_Marc", "compidx", compidx, search_col, search_data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             MessageBox.Show("삭제되었습니다.");
             btn_Search_Click(null, null);
diff --git a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Edit.cs b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Edit.cs
index 525692d..f57c56a 100644
--- a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Edit.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Edit.cs
@@ -92,7 +92,7 @@ namespace UniMarc
             string[] search_col = { "idx" };
             string[] search_data = { IDX };
             string cmd = db.More_Update("Specs_List", update_col, update_data, search_col, search_data);
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             MessageBox.Show("저장완료되었습니다.");
             sub.btn_Search_Click(null, null);
             this.Close();
diff --git a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Morge.cs b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Morge.cs
index 20674e9..e6c146b 100644
--- a/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Morge.cs
+++ b/unimarc/unimarc/마크/Marc_Plan_Sub_SelectList_Morge.cs
@@ -66,7 +66,7 @@ namespace UniMarc
             string[] Update_Data = { tb_ListName.Text, NowDate, MorgeUser };
 
             string U_cmd = db.More_Update("Specs_List", Update_Col, Update_Data, Search_Col, Search_Data);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
 
             // 마크 수정
             for (int a = 0; a < dataGridView1.Rows.Count; a++)
@@ -80,13 +80,13 @@ namespace UniMarc
                 };
 
                 string cmd = db.More_Update("Specs_Marc", Update_Col, Update_Data, Col, Data);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
 
                 if (a != 0) {
                     string listIdx = dataGridView1.Rows[a].Cells["idx"].Value.ToString();
                     string listDate = dataGridView1.Rows[a].Cells["ListDate"].Value.ToString();
                     string D_cmd = db.DB_Delete("Specs_List", "idx", listIdx, "date", listDate);
-                    db.DB_Send_CMD_reVoid(D_cmd);
+                    Helper_DB.ExcuteNonQuery(D_cmd);
                 }
             }
 
diff --git a/unimarc/unimarc/마크/Marc_mkList.cs b/unimarc/unimarc/마크/Marc_mkList.cs
index 822b93f..c2af017 100644
--- a/unimarc/unimarc/마크/Marc_mkList.cs
+++ b/unimarc/unimarc/마크/Marc_mkList.cs
@@ -360,8 +360,8 @@ namespace UniMarc
             cmdByMarc = cmdByMarc.TrimEnd(',');
             cmdByMarc += ";";
 
-            db.DB_Send_CMD_reVoid(cmdByList);
-            db.DB_Send_CMD_reVoid(cmdByMarc);
+            Helper_DB.ExcuteNonQuery(cmdByList);
+            Helper_DB.ExcuteNonQuery(cmdByMarc);
             progressBar1.PerformStep();
 
             if (progressBar1.Value == progressBar1.Maximum)
diff --git a/unimarc/unimarc/마크/Set_Macro.cs b/unimarc/unimarc/마크/Set_Macro.cs
index 5d3f036..9247dce 100644
--- a/unimarc/unimarc/마크/Set_Macro.cs
+++ b/unimarc/unimarc/마크/Set_Macro.cs
@@ -202,7 +202,7 @@ namespace UniMarc
                 string[] Insert_Col = { compidx, value, user, MacroIndex };
 
                 string cmd = db.DB_INSERT(Table, Insert_Tbl, Insert_Col);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
                 //cb_SearchList.Items.Add(value);
                 Refresh_Macro_List();
             }
@@ -245,7 +245,7 @@ namespace UniMarc
             string[] Update_T = { "Macroidx" };
             string[] Update_C = { MacroIndex };
 
-            db.DB_Send_CMD_reVoid(db.More_Update(Table, Update_T, Update_C, Search_T, Search_C));
+            Helper_DB.ExcuteNonQuery(db.More_Update(Table, Update_T, Update_C, Search_T, Search_C));
             MessageBox.Show("저장되었습니다!");
         }
 
@@ -267,7 +267,7 @@ namespace UniMarc
                 return;
             }
 
-            db.DB_Send_CMD_reVoid(db.DB_Delete_More_term(Table, "compidx", compidx, Search_T, Search_C));
+            Helper_DB.ExcuteNonQuery(db.DB_Delete_More_term(Table, "compidx", compidx, Search_T, Search_C));
             MessageBox.Show("삭제되었습니다!");
             Refresh_Macro_List();
         }
diff --git a/unimarc/unimarc/편의기능/Quick_menu.cs b/unimarc/unimarc/편의기능/Quick_menu.cs
index a192858..0c0ad43 100644
--- a/unimarc/unimarc/편의기능/Quick_menu.cs
+++ b/unimarc/unimarc/편의기능/Quick_menu.cs
@@ -185,7 +185,7 @@ namespace UniMarc
             }
 
             string cmd = InCmd + UpCmd;
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
 
             MessageBox.Show("저장완료!");
 
diff --git a/unimarc/unimarc/홈/Home_User_manage.cs b/unimarc/unimarc/홈/Home_User_manage.cs
index ac18c07..ac46286 100644
--- a/unimarc/unimarc/홈/Home_User_manage.cs
+++ b/unimarc/unimarc/홈/Home_User_manage.cs
@@ -258,11 +258,11 @@ namespace UniMarc
             string[] Insert_Data = { tb_ID.Text, tb_PW.Text, tb_Name.Text, cbCompany.Text, tb_position.Text, tb_Phone.Text };
 
             tCmd = mDB.DB_INSERT("User_Data", Insert_Col, Insert_Data);
-            mDB.DB_Send_CMD_reVoid(tCmd);
+            Helper_DB.ExcuteNonQuery(tCmd);
             tCmd = mDB.DB_INSERT("User_Access", tUserAcess_Col, Update_Data);
-            mDB.DB_Send_CMD_reVoid(tCmd);
+            Helper_DB.ExcuteNonQuery(tCmd);
             tCmd = string.Format("INSERT INTO `User_ShortCut` (`id`) VALUES ('{0}')", tb_ID.Text);
-            mDB.DB_Send_CMD_reVoid(tCmd);
+            Helper_DB.ExcuteNonQuery(tCmd);
 
             MessageBox.Show("저장되었습니다!");
             main.isAccess();
@@ -313,11 +313,11 @@ namespace UniMarc
                 tAuthData.AddRange(tCheckBoxData);
                 string[] tCheckBox = tAuthData.ToArray();
                 cmd = mDB.More_Update("User_ShortCut", tAccess_Col, tAccess_Data, tSearch_Col, tSearch_Data);
-                mDB.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
                 cmd = mDB.More_Update("User_Access", tUserAcess_Col, tCheckBox, tSearch_Col, tSearch_Data);
-                mDB.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
                 cmd = mDB.More_Update("User_Data", tAccess_Col, tAccess_Data, tSearch_Col, tSearch_Data);
-                mDB.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
                 MessageBox.Show("저장되었습니다!");
                 RefreshList();
             }
@@ -370,11 +370,11 @@ namespace UniMarc
                 string tID = dataGridView1.SelectedRows[0].Cells["id"].Value.ToString();
                 string tPW = dataGridView1.SelectedRows[0].Cells["pw"].Value.ToString();
                 string D_cmd = string.Format("DELETE FROM User_ShortCut WHERE `ID`=\"{0}\"  LIMIT 1;", tID);
-                mDB.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
                 D_cmd = string.Format("DELETE FROM User_Access WHERE `ID`=\"{0}\"  LIMIT 1;", tID);
-                mDB.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
                 D_cmd = mDB.DB_Delete("User_Data", "ID", tID, "PW", tPW);
-                mDB.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
                 MessageBox.Show("삭제 완료되었습니다!");
                 RefreshList();
             }
diff --git a/unimarc/unimarc/홈/Order_manage.cs b/unimarc/unimarc/홈/Order_manage.cs
index c0edc27..d5b4bc3 100644
--- a/unimarc/unimarc/홈/Order_manage.cs
+++ b/unimarc/unimarc/홈/Order_manage.cs
@@ -243,13 +243,13 @@ namespace UniMarc
             if (Isinsert)
             {
                 string Incmd = db.DB_INSERT("Purchase", Insert_Table, Insert_Data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
                 MessageBox.Show(tb_sangho.Text + " 저장 완료");
             }
             else
             {
                 string U_cmd = db.More_Update(Table, Insert_Table, Insert_Data, Search_Table, Search_Data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
                 MessageBox.Show(tb_sangho.Text + " 수정 완료");
             }
         }
@@ -260,7 +260,7 @@ namespace UniMarc
             string idx = dataGridView1.Rows[row].Cells["idx"].Value.ToString();
             string sangho = dataGridView1.Rows[row].Cells["sangho"].Value.ToString();
             string D_cmd = db.DB_Delete("Purchase", "idx", idx, "sangho", sangho);
-            db.DB_Send_CMD_reVoid(D_cmd);
+            Helper_DB.ExcuteNonQuery(D_cmd);
             MessageBox.Show(sangho + " 삭제 완료");
         }
         private void tb_memo_Click(object sender, EventArgs e)
@@ -351,7 +351,7 @@ namespace UniMarc
             else
                 InCmd = db.More_Update(Table, Insert_Col, Insert_Data, Search_Table, Search_Data);
 
-            db.DB_Send_CMD_reVoid(InCmd);
+            Helper_DB.ExcuteNonQuery(InCmd);
         }
 
         private void btn_ExcelIW_Click(object sender, EventArgs e)
@@ -382,7 +382,7 @@ namespace UniMarc
 
             MessageBox.Show(cmd);
 
-            db.DB_Send_CMD_reVoid(cmd);
+            Helper_DB.ExcuteNonQuery(cmd);
             dgv_IndexWord.Rows.RemoveAt(row);
         }
 
diff --git a/unimarc/unimarc/홈/Transaction_manage.cs b/unimarc/unimarc/홈/Transaction_manage.cs
index 0311959..721167b 100644
--- a/unimarc/unimarc/홈/Transaction_manage.cs
+++ b/unimarc/unimarc/홈/Transaction_manage.cs
@@ -211,7 +211,7 @@ namespace UniMarc
                 };
             string Incmd = db.DB_INSERT("Client", tmpdb, tmpdb1);
 
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
             SearchList();
             MessageBox.Show(string.Format("[{0}]가 성공적으로 저장되었습니다.", tb_sangho.Text));
         }
@@ -276,7 +276,7 @@ namespace UniMarc
 
             string U_cmd = db.More_Update("Client", editcol, editname, searchcol, searchname);
 
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             MessageBox.Show(tb_sangho.Text + "가 성공적으로 수정되었습니다.");
             //}
             //else
@@ -295,7 +295,7 @@ namespace UniMarc
             //    };
             //    string Incmd = db.DB_INSERT("Client", tmpdb, tmpdb1);
 
-            //    db.DB_Send_CMD_reVoid(Incmd);
+            //    Helper_DB.ExcuteNonQuery(Incmd);
 
             //    MessageBox.Show(string.Format("[{0}]가 성공적으로 저장되었습니다.", tb_sangho.Text));
             //}
@@ -312,7 +312,7 @@ namespace UniMarc
             string tText = string.Format("{0} 를 삭제 하시겠습니까?", dv1.Rows[RowIndex].Cells["sangho"].Value.ToString());
             if (UTIL.MsgQ(tText) != DialogResult.Yes) return;
             string D_cmd = db.DB_Delete("Client", "idx", dv1.Rows[RowIndex].Cells["idx"].Value.ToString(), "c_sangho", tb_sangho.Text);
-            db.DB_Send_CMD_reVoid(D_cmd);
+            Helper_DB.ExcuteNonQuery(D_cmd);
             Made_Grid();
             SearchList();
             MessageBox.Show("삭제되었습니다.");
@@ -562,7 +562,7 @@ namespace UniMarc
                 return;
 
             string Dcmd = string.Format("DELETE FROM custm_tbl WHERE cm_midx = {0}", idx);
-            db.DB_Send_CMD_reVoid(Dcmd);
+            Helper_DB.ExcuteNonQuery(Dcmd);
 
             MakeInsertCommend(marcGrid, 1, idx);
             MakeInsertCommend(gearGrid, 2, idx);
@@ -592,7 +592,7 @@ namespace UniMarc
                 string Icmd = string.Format("INSERT INTO custm_tbl (cm_m1, cm_m2, cm_m3, cm_sq, cm_opt, cm_midx)" +
                     " values(\"{0}\", \"{1}\", \"{2}\", {3}, {4}, {5});", m1, m2, m3, a, gridNum, idx);
 
-                db.DB_Send_CMD_reVoid(Icmd);
+                Helper_DB.ExcuteNonQuery(Icmd);
             }
         }
 
diff --git a/unimarc/unimarc/홈/User_Infor.cs b/unimarc/unimarc/홈/User_Infor.cs
index 9bf21b7..c8689b7 100644
--- a/unimarc/unimarc/홈/User_Infor.cs
+++ b/unimarc/unimarc/홈/User_Infor.cs
@@ -90,7 +90,7 @@ namespace UniMarc
             string[] search_col = { "idx", "comp_name" };
             string[] search_name = { PUB.user.CompanyIdx, tb_sangho.Text };
             string U_cmd = db.More_Update("Comp", Area, temp, search_col, search_name);
-            db.DB_Send_CMD_reVoid(U_cmd);
+            Helper_DB.ExcuteNonQuery(U_cmd);
             MessageBox.Show("저장되었습니다.");
         }
         private void tb_port_KeyPress(object sender, KeyPressEventArgs e)
diff --git a/unimarc/unimarc/회계/Part_time.cs b/unimarc/unimarc/회계/Part_time.cs
index 010dcc9..9c72712 100644
--- a/unimarc/unimarc/회계/Part_time.cs
+++ b/unimarc/unimarc/회계/Part_time.cs
@@ -162,7 +162,7 @@ namespace UniMarc
                     dataGridView1.Rows[a].Cells["work"].Value.ToString()
                 };
                 string Incmd = db.DB_INSERT("Part_Time", input_area, input_data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
             }
             MessageBox.Show("저장되었습니다!");
         }
diff --git a/unimarc/unimarc/회계/Remit_reg.cs b/unimarc/unimarc/회계/Remit_reg.cs
index c57082f..f0a9408 100644
--- a/unimarc/unimarc/회계/Remit_reg.cs
+++ b/unimarc/unimarc/회계/Remit_reg.cs
@@ -87,7 +87,7 @@ namespace UniMarc
             {
                 string where_col = dataGridView1.Rows[row_count[a]].Cells[0].Value.ToString();
                 string U_cmd = db.DB_Update("Remit_reg", update_tbl, update_col, where_tbl, where_col);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
                 MessageBox.Show(where_col);
             }
         }
diff --git a/unimarc/unimarc/회계/Remit_reg2.cs b/unimarc/unimarc/회계/Remit_reg2.cs
index ae22d20..ee43c56 100644
--- a/unimarc/unimarc/회계/Remit_reg2.cs
+++ b/unimarc/unimarc/회계/Remit_reg2.cs
@@ -91,7 +91,7 @@ namespace UniMarc
                                     tb_bank_num.Text, tb_bank_boss.Text, tb_send_money.Text, tb_etc.Text, "False",
                                     PUB.user.UserName };
             string Incmd = db.DB_INSERT("Remit_reg", input_table, input_data);
-            db.DB_Send_CMD_reVoid(Incmd);
+            Helper_DB.ExcuteNonQuery(Incmd);
 
             MessageBox.Show("성공적으로 저장되었습니다.");
             Add_Grid();
@@ -115,7 +115,7 @@ namespace UniMarc
             if (MessageBox.Show("정말 삭제하시겠습니까?", "경고", MessageBoxButtons.YesNo) == DialogResult.Yes)
             {
                 string cmd = db.DB_Delete_More_term("Remit_reg", target_idx, compidx, target_table, target_data);
-                db.DB_Send_CMD_reVoid(cmd);
+                Helper_DB.ExcuteNonQuery(cmd);
                 MessageBox.Show("삭제되었습니다.");
             }
         }
diff --git a/unimarc/unimarc/회계/Sales_Detail.cs b/unimarc/unimarc/회계/Sales_Detail.cs
index 635929e..7ba40f2 100644
--- a/unimarc/unimarc/회계/Sales_Detail.cs
+++ b/unimarc/unimarc/회계/Sales_Detail.cs
@@ -111,7 +111,7 @@ namespace UniMarc
                                        dataGridView1.Rows[a].Cells["out_price"].Value.ToString() };
 
                 string U_cmd = db.More_Update("Sales", edit_col, edit_data, search_col, search_data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
             }
             MessageBox.Show("저장되었습니다.", "저장", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
@@ -123,7 +123,7 @@ namespace UniMarc
             for (int a = 0; a < dataGridView1.Rows.Count; a++)
             {
                 string D_cmd = db.DB_Delete("Sales", "compidx", compidx, "idx", dataGridView1.Rows[a].Cells["idx"].Value.ToString());
-                db.DB_Send_CMD_reVoid(D_cmd);
+                Helper_DB.ExcuteNonQuery(D_cmd);
             }
             MessageBox.Show("삭제되었습니다.", "삭제", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
diff --git a/unimarc/unimarc/회계/Sales_In_Pay.cs b/unimarc/unimarc/회계/Sales_In_Pay.cs
index fc5728a..a4b4df0 100644
--- a/unimarc/unimarc/회계/Sales_In_Pay.cs
+++ b/unimarc/unimarc/회계/Sales_In_Pay.cs
@@ -52,7 +52,7 @@ namespace UniMarc
                 string[] Data = { compidx, date, tb_clt.Text, tb_price.Text, cb_gubun.Text, tb_etc.Text };
 
                 string Incmd = db.DB_INSERT("Sales", Area, Data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
                 insert_data(date);
             }
             else {
@@ -62,7 +62,7 @@ namespace UniMarc
                 string[] sear_data = { dataGridView1.Rows[row].Cells["idx"].Value.ToString() };
 
                 string U_cmd = db.More_Update("Sales", edit_col, edit_data, sear_col, sear_data);
-                db.DB_Send_CMD_reVoid(U_cmd);
+                Helper_DB.ExcuteNonQuery(U_cmd);
                 update_data(date);
             }
             add_chk = false;
@@ -88,7 +88,7 @@ namespace UniMarc
             if(MessageBox.Show("삭제하시겠습니까?", "삭제", MessageBoxButtons.YesNo) == DialogResult.No) { return; }
             
             string D_cmd = db.DB_Delete("Sales", "compidx", compidx, "idx", dataGridView1.Rows[row].Cells["idx"].Value.ToString());
-            db.DB_Send_CMD_reVoid(D_cmd);
+            Helper_DB.ExcuteNonQuery(D_cmd);
             dataGridView1.Rows.Remove(dataGridView1.Rows[row]);
             
             add_chk = false;
diff --git a/unimarc/unimarc/회계/Sales_Input.cs b/unimarc/unimarc/회계/Sales_Input.cs
index 66c63c4..89ed0f0 100644
--- a/unimarc/unimarc/회계/Sales_Input.cs
+++ b/unimarc/unimarc/회계/Sales_Input.cs
@@ -104,7 +104,7 @@ namespace UniMarc
                     out_price(a)
                 };
                 string Incmd = db.DB_INSERT("Sales", col_name, set_data);
-                db.DB_Send_CMD_reVoid(Incmd);
+                Helper_DB.ExcuteNonQuery(Incmd);
             }
         }
         private string out_price(int idx)