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 180:            if (index > 0)
Line 181:            {                
Line 182:                gerilink = "<a href=\"" + SeoLinks.UrunDetayLinki(grupurunler[index - 1].ID + "_" + (grupurunler[index - 1].UrunAdi_en).StringTemizle()) + "\" class=\"geri\"><i class=\"ok\"></i>BACK</a>";
Line 183:            }
Line 184:            else

Source File: d:\hostingspaces\dalgalan\dalgalan.com\wwwroot\Controls\ucUrunDetay.ascx.cs    Line: 182

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   VeriKatmani.Islemler.StringTemizle(String item) +173
   Controls_ucUrunDetay.Page_Load(Object sender, EventArgs e) in d:\hostingspaces\dalgalan\dalgalan.com\wwwroot\Controls\ucUrunDetay.ascx.cs:182
   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.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4110.0