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 379:        sql.Open();
Line 380:        System.Data.SqlClient.SqlCommand ilanyetkikomut = new System.Data.SqlClient.SqlCommand("select YetkiKullaniciId from Ilanlar where Id='" + sart + "'" , sql);
Line 381:        int yetkikontrol = (int)ilanyetkikomut.ExecuteScalar();
Line 382:        sql.Close();
Line 383:        if (yetkikontrol == 0)

Source File: d:\vhosts\okutangayrimenkul.com\httpdocs\ilandetay.aspx.cs    Line: 381

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   ilandetay.IletisimBilgisiListele(String sart) in d:\vhosts\okutangayrimenkul.com\httpdocs\ilandetay.aspx.cs:381
   ilandetay.Page_Load(Object sender, EventArgs e) in d:\vhosts\okutangayrimenkul.com\httpdocs\ilandetay.aspx.cs:458
   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