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 460:                    var GetTextPage = db.therapists.Where(r => r.id == item.authorID).FirstOrDefault();
Line 461:
Line 462:                    if (GetTextPage.endDate < RightNow && GetTextPage.PromotionType == 1)
Line 463:                    {
Line 464:                        ArtUrl = GetRouteUrl("ArticleFullRoute", new { ArticlesSubCatName = GetParentFriendly((int)item.CatID), ArticleName = item.Friendly });

Source File: d:\domains\therapist-israel.co.il\therapist-israel.co.il\wwwroot\Treatment.aspx.cs    Line: 462

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   Treatment.LoadArticles() in d:\domains\therapist-israel.co.il\therapist-israel.co.il\wwwroot\Treatment.aspx.cs:462
   Treatment.Page_Load(Object sender, EventArgs e) in d:\domains\therapist-israel.co.il\therapist-israel.co.il\wwwroot\Treatment.aspx.cs:37
   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.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


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