Server Error in '/' Application.

Invalid attempt to access a field before calling Read()

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: MySql.Data.MySqlClient.MySqlException: Invalid attempt to access a field before calling Read()

Source Error:


Line 500:            MySqlDataReader oku = komut.ExecuteReader();
Line 501:            oku.Read();
Line 502:            bironcekisayisi = Convert.ToInt32(oku["trisimsayi"]);
Line 503:            busenesayisi = Convert.ToInt32(oku["trisimsayisi2021"]);
Line 504:

Source File: c:\Inetpub\vhosts\onlinesoru.com\bebekisimler\Detail2.aspx.cs    Line: 502

Stack Trace:


[MySqlException (0x80004005): Invalid attempt to access a field before calling Read()]
   MySql.Data.MySqlClient.ResultSet.get_Item(Int32 index) +284
   MySql.Data.MySqlClient.MySqlDataReader.GetFieldValue(Int32 index, Boolean checkNull) +42
   MySql.Data.MySqlClient.MySqlDataReader.GetValue(Int32 i) +68
   MySql.Data.MySqlClient.MySqlDataReader.get_Item(String name) +28
   Detail2.sayikontrol() in c:\Inetpub\vhosts\onlinesoru.com\bebekisimler\Detail2.aspx.cs:502
   Detail2.Page_Load(Object sender, EventArgs e) in c:\Inetpub\vhosts\onlinesoru.com\bebekisimler\Detail2.aspx.cs:36
   System.Web.UI.Control.OnLoad(EventArgs e) +106
   System.Web.UI.Control.LoadRecursive() +68
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3785


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3770.0