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 28: var sourcePage = Request.QueryString["source"];
Line 29: var csh = new ClickStatHelper();
Line 30: csh.SetBannerClick(productId, bannerId, sourcePage, banner.ShopId);
Line 31: Response.RedirectPermanent(banner.Url);
Line 32: }
[NullReferenceException: Object reference not set to an instance of an object.]
Banner_Redirect_Default.Page_Load(Object sender, EventArgs e) in c:\inetpub\wwwroot\digionline.ir\Banner\Redirect\Default.aspx.cs:30
System.Web.UI.Control.OnLoad(EventArgs e) +98
System.Web.UI.Control.LoadRecursive() +153
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4081
Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4682.0