Server Error in '/' Application.

Object reference not set to an instance of an object.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:


Line 81:         MySqlCommand cmd = new MySqlCommand(selectQuery, connection);
Line 82:   
Line 83:         dataReader = cmd.ExecuteReader();
Line 84: 
Line 85:         if (dataReader.HasRows)

Source File: d:\vhosts\zemedya.com\adnhediye.com\App_Code\DBManager.cs    Line: 83

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   MySql.Data.MySqlClient.MySqlField..ctor(MySqlConnection connection) +28
   MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData41() +33
   MySql.Data.MySqlClient.NativeDriver.GetFieldMetaData() +40
   MySql.Data.MySqlClient.NativeDriver.ReadColumnMetadata(Int32 count) +39
   MySql.Data.MySqlClient.MySqlDataReader.NextResult() +272
   MySql.Data.MySqlClient.MySqlCommand.ExecuteReader(CommandBehavior behavior) +678
   MySql.Data.MySqlClient.MySqlCommand.ExecuteReader() +6
   DBManager.Select(String selectQuery) in d:\vhosts\zemedya.com\adnhediye.com\App_Code\DBManager.cs:83
   ADN.urunanakategori.GetCategoriListAsDataTable(String ID) in d:\vhosts\zemedya.com\adnhediye.com\App_Code\urun.cs:582
   urunler.getMenuTekstil(String ID) in d:\vhosts\zemedya.com\adnhediye.com\urunler.aspx.cs:99
   urunler.Page_Load(Object sender, EventArgs e) in d:\vhosts\zemedya.com\adnhediye.com\urunler.aspx.cs:43
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0