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 798:                        var GetTextPage = db.therapists.Where(r => r.id == item.authorID).FirstOrDefault();
Line 799:
Line 800:                        if (GetTextPage.endDate < RightNow && GetTextPage.PromotionType == 1)
Line 801:                        {
Line 802:                            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\Therapists.aspx.cs    Line: 800

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   Therapists.LoadArticles() in d:\domains\therapist-israel.co.il\therapist-israel.co.il\wwwroot\Therapists.aspx.cs:800
   Therapists.Page_Load(Object sender, EventArgs e) in d:\domains\therapist-israel.co.il\therapist-israel.co.il\wwwroot\Therapists.aspx.cs:80
   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