Server Error in '/' Application.

Operator '=' is not defined for type 'DBNull' and string "2".

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.InvalidCastException: Operator '=' is not defined for type 'DBNull' and string "2".

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidCastException: Operator '=' is not defined for type 'DBNull' and string "2".]
   Microsoft.VisualBasic.CompilerServices.Operators.ConditionalCompareObjectEqual(Object Left, Object Right, Boolean TextCompare) +784828
   ctrl_getLeftNav.GetParentID(String& catid, String& tempvalue) +318
   ctrl_getLeftNav.BindRadMenu() +2741
   ctrl_getLeftNav.Page_Load(Object sender, EventArgs e) +244
   System.Web.UI.Control.OnLoad(EventArgs e) +132
   System.Web.UI.Control.LoadRecursive() +66
   System.Web.UI.Control.LoadRecursive() +191
   System.Web.UI.Control.LoadRecursive() +191
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2428


Version Information: Microsoft .NET Framework Version:2.0.50727.8813; ASP.NET Version:2.0.50727.8951