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 19:             var sorgu = (from s in veri.urunlers where s.id == int.Parse(id) select s).SingleOrDefault();
Line 20:        
Line 21:             this.Title = sorgu.urunKategori + "-" + sorgu.urunAdi + " - Gimsan Mermer";
Line 22:             this.Page.MetaDescription = sorgu.urunTanim;
Line 23:             var sorgukey = (from s in veri.siteSabitleris select s.anahtarKelimeler).SingleOrDefault();

Source File: c:\Home\mermerit.org\httpdocs\urun_detay.aspx.cs    Line: 21

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   urun_detay.Page_Load(Object sender, EventArgs e) in c:\Home\mermerit.org\httpdocs\urun_detay.aspx.cs:21
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0