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 20:         get
Line 21:         {
Line 22:             var session = (BookSellerSession)HttpContext.Current.Session["__BookSellerSession__"];
Line 23:             if (session == null)
Line 24:             {

Source File: d:\Live Websites\BookSellers9_2016\CMS\App_Code\BookSellers\BookSellerSession.cs    Line: 22

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   BookSellerSession.get_Current() in d:\Live Websites\BookSellers9_2016\CMS\App_Code\BookSellers\BookSellerSession.cs:22
   CMSWebParts_Booksellers_TopLoginCtrl.Page_Load(Object sender, EventArgs e) in d:\Live Websites\BookSellers9_2016\CMS\CMSWebParts\Booksellers\TopLoginCtrl.ascx.cs:10
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   CMS.Base.Web.UI.AbstractUserControl.OnLoad(EventArgs e) +44
   CMS.PortalEngine.Web.UI.CMSAbstractWebPart.OnLoad(EventArgs e) +209
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   System.Web.UI.Control.LoadRecursive() +134
   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