category toglle 기능 복구

icon 저장 기능 오류 수정
검색 기능 추가

Services/DatabaseService.cs

@@ -24,7 +24,7 @@ namespace VNCServerList.Services
             using (var connection = new SqlConnection(_connectionString))
             {
                 connection.Open();
-                
+
                 // VNC_ServerList 테이블이 존재하는지 확인
                 string checkTableSql = @"
                     IF NOT EXISTS (SELECT * FROM sysobjects WHERE name='VNC_ServerList' AND xtype='U')
@@ -64,12 +64,12 @@ namespace VNCServerList.Services
         public List<VNCServer> GetAllServers()
         {
             var servers = new List<VNCServer>();
-            
+
             using (var connection = new SqlConnection(_connectionString))
             {
                 connection.Open();
                 string sql = "SELECT * FROM VNC_ServerList ORDER BY [User]";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 using (var reader = command.ExecuteReader())
                 {
@@ -89,7 +89,7 @@ namespace VNCServerList.Services
                     }
                 }
             }
-            
+
             return servers;
         }
 
@@ -99,12 +99,12 @@ namespace VNCServerList.Services
             {
                 connection.Open();
                 string sql = "SELECT * FROM VNC_ServerList WHERE [User] = @User AND [IP] = @IP";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@User", user);
                     command.Parameters.AddWithValue("@IP", ip);
-                    
+
                     using (var reader = command.ExecuteReader())
                     {
                         if (reader.Read())
@@ -124,7 +124,7 @@ namespace VNCServerList.Services
                     }
                 }
             }
-            
+
             return null;
         }
 
@@ -136,7 +136,7 @@ namespace VNCServerList.Services
                 string sql = @"
                     INSERT INTO VNC_ServerList ([User], [IP], [Category], [Title],[Description], [Password], [Argument], [Icon])
                     VALUES (@User, @IP, @Category, @Title,@Description, @Password, @Argument, @Icon)";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@User", server.User);
@@ -146,8 +146,8 @@ namespace VNCServerList.Services
                     command.Parameters.AddWithValue("@Description", (object)server.Description ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Password", (object)server.Password ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Argument", (object)server.Argument ?? DBNull.Value);
-                    command.Parameters.AddWithValue("@Icon", (object)server.Icon ?? DBNull.Value);
-                    
+                    command.Parameters.Add("@Icon", SqlDbType.Image).Value = (object)server.Icon ?? DBNull.Value;
+
                     return command.ExecuteNonQuery() > 0;
                 }
             }
@@ -163,7 +163,7 @@ namespace VNCServerList.Services
                     SET [Category] = @Category, [Title] = @Title, [Description] = @Description, 
                         [Password] = @Password, [Argument] = @Argument, [Icon] = @Icon
                     WHERE [User] = @User AND [IP] = @IP";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@User", server.User);
@@ -174,7 +174,7 @@ namespace VNCServerList.Services
                     command.Parameters.AddWithValue("@Password", (object)server.Password ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Argument", (object)server.Argument ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Icon", (object)server.Icon ?? DBNull.Value);
-                    
+
                     return command.ExecuteNonQuery() > 0;
                 }
             }
@@ -190,7 +190,7 @@ namespace VNCServerList.Services
                     SET [IP] = @NewIP, [Category] = @Category, [Title] = @Title, [Description] = @Description, 
                         [Password] = @Password, [Argument] = @Argument, [Icon] = @Icon
                     WHERE [User] = @User AND [IP] = @OriginalIP";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@User", originalUser);
@@ -201,8 +201,8 @@ namespace VNCServerList.Services
                     command.Parameters.AddWithValue("@Description", (object)newServerData.Description ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Password", (object)newServerData.Password ?? DBNull.Value);
                     command.Parameters.AddWithValue("@Argument", (object)newServerData.Argument ?? DBNull.Value);
-                    command.Parameters.AddWithValue("@Icon", (object)newServerData.Icon ?? DBNull.Value);
-                    
+                    command.Parameters.Add("@Icon", SqlDbType.Image).Value = (object)newServerData.Icon ?? DBNull.Value;
+
                     return command.ExecuteNonQuery() > 0;
                 }
             }
@@ -214,7 +214,7 @@ namespace VNCServerList.Services
             {
                 connection.Open();
                 string sql = "DELETE FROM VNC_ServerList WHERE [User] = @User AND [IP] = @IP";
-                
+
                 using (var command = new SqlCommand(sql, connection))
                 {
                     command.Parameters.AddWithValue("@User", user);
@@ -224,4 +224,4 @@ namespace VNCServerList.Services
             }
         }
     }
-} 
+}