Server Error in '/' Application.

Nullable object must have a value.

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.InvalidOperationException: Nullable object must have a value.

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:


[InvalidOperationException: Nullable object must have a value.]
   System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource) +56
   Ooghduyn.Global_asax.rewriteUrl(String thisURL) +623
   Ooghduyn.Global_asax.Application_BeginRequest(Object sender, EventArgs e) +1018
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +139
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4076.0