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 51:         int kind = 0;
Line 52:         var item = db.SendEffects.Where(p => p.Id == SelectedId).FirstOrDefault();
Line 53:         if (item.PersonInfo.IsAdult == true)
Line 54:         {
Line 55:             if (item.PersonInfo.IsFree == true)

Source File: c:\inetpub\vhosts\naghashbashi.com\httpdocs\education\expertise\detail\Default.aspx.cs    Line: 53

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   education_expertise_detail_Default.link() in c:\inetpub\vhosts\naghashbashi.com\httpdocs\education\expertise\detail\Default.aspx.cs:53
   ASP.education_expertise_detail_default_aspx.__RenderContent2(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\vhosts\naghashbashi.com\httpdocs\education\expertise\detail\Default.aspx:22
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +116
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   ASP.main_master.__Renderform1(HtmlTextWriter __w, Control parameterContainer) in c:\inetpub\vhosts\naghashbashi.com\httpdocs\main.master:111
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +116
   System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer) +11832232
   System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer) +46
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.HtmlControls.HtmlForm.RenderControl(HtmlTextWriter writer) +49
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +249
   System.Web.UI.Page.Render(HtmlTextWriter writer) +38
   System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +78
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +8752


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3650.0