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 40:         var db=new dbDataContext();
Line 41:         var q = db.Tbl_Gulets.SingleOrDefault(x => x.Url == Page.RouteData.Values["Url"].ToString());
Line 42:         img_buyuk.Src = "/Upload/550/" + q.Resim;
Line 43:        
Line 44:         var a = from x in db.Tbl_Gulet_Resims orderby x.Sira ascending where (x.Gulet_Id == q.Id) select new

Source File: c:\vhosts\salmakisyachting.com\it.salmakisyachting.com\yat_detay.aspx.cs    Line: 42

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   YatDetay.Resimler() in c:\vhosts\salmakisyachting.com\it.salmakisyachting.com\yat_detay.aspx.cs:42
   YatDetay.Page_Load(Object sender, EventArgs e) in c:\vhosts\salmakisyachting.com\it.salmakisyachting.com\yat_detay.aspx.cs:12
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4682.0