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 137:        string catename = cp.FindByID(prod.CateID).Name;
Line 138:		lbVideo.Text = prod.Video;
Line 139:        if (!prod.ShowOnFrontEnd) Response.Redirect("~/products/C" + prod.CateID + "/" + catename.Replace(" ", "_").ToLower() + ".aspx");
Line 140:
Line 141:		if (prod != null && prod.ProductID >= 1)

Source File: d:\wwwrootV2\cyclosystem\products\proddetail.aspx.cs    Line: 139

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   proddetail.PopulateForm(Int32 id) in d:\wwwrootV2\cyclosystem\products\proddetail.aspx.cs:139
   proddetail.Page_Load(Object sender, EventArgs e) in d:\wwwrootV2\cyclosystem\products\proddetail.aspx.cs:58
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627


Version Information: Microsoft .NET Framework Version:2.0.50727.8784; ASP.NET Version:2.0.50727.8762