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 36:                 HttpContext _current1 = HttpContext.Current;
Line 37:                 CustomIdentity ident = _current1.User.Identity as CustomIdentity;
Line 38:                 return ident.EduYearID;
Line 39:             }
Line 40:         }

Source File: c:\inetpub\vhosts\upartmun.ir\httpdocs\App_Code\Common\CurrentState.cs    Line: 38

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   BASA.CurrentState.get_EduYearID() in c:\inetpub\vhosts\upartmun.ir\httpdocs\App_Code\Common\CurrentState.cs:38
   BASA.DAL.LMS.Course.GetCourseWithTuition(String query) in c:\inetpub\vhosts\upartmun.ir\httpdocs\App_Code\LMS\Course.cs:282
   BASA.DAL.LMS.Course.GetCourseById(Int32 ID) in c:\inetpub\vhosts\upartmun.ir\httpdocs\App_Code\LMS\Course.cs:196
   CourseDetails.Page_Load(Object sender, EventArgs e) in c:\inetpub\vhosts\upartmun.ir\httpdocs\CourseDetails.aspx.cs:16
   System.Web.UI.Control.OnLoad(EventArgs e) +107
   System.Web.UI.Control.LoadRecursive() +89
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1532


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0