initial commit

Project/Manager/DataBaseManager.cs

@@ -0,0 +1,36 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace Project.Manager
+{
+    public static class DatabaseManager
+    {
+        private static System.Data.SqlClient.SqlConnection getCn()
+        {
+            string cs = Properties.Settings.Default.gwcs;
+            System.Data.SqlClient.SqlConnection cn = new System.Data.SqlClient.SqlConnection();
+            cn.ConnectionString = cs;
+            return cn;
+        }
+        public static List<String> getEQGroupLiist(string GroupColumn)
+        {
+            List<string> retval = new List<string>();
+            var cn = getCn();
+            cn.Open();
+            var sql = "select {0} from Equipment where isnull({0},'') != '' group by {0} order by {0}";
+            sql = string.Format(sql, "[" + GroupColumn +"]");
+            var cmd = new System.Data.SqlClient.SqlCommand(sql,cn);
+            var rdr = cmd.ExecuteReader();
+            while(rdr.Read())
+            {
+                retval.Add(rdr[0].ToString());
+            }
+            cmd.Dispose();
+            cn.Close();
+            cn.Dispose();
+            return retval;
+        }
+    }
+}