Response. End is also common

Exception:BecauseCodeThe expression value cannot be calculated because it has been optimized or the local framework is located on the call stack.

Cause:

If you use the response. End, response. Redirect, or server. transfer method
Threadabortexception exception. You can use the try-catch statement to catch this exception.
Response. End
Method termination page execution, and switch this execution to the applicationProgramApplication_endrequest event in the event pipeline. Do not execute response. End
The following code lines.
This problem occurs in response. Redirect and server. Transfer
Method, because both methods are called internallyResponse. End.
Solution
:
To solve this problem, use one of the following methods:
• For response. End, call
Httpcontext. Current. applicationinstance. completerequest method instead of response. End to skip
Code execution for the application_endrequest event.
•For response. Redirect, use overload
Response. Redirect (string URL, bool endresponse). This overload transmits false to the endresponse parameter to cancel
Internal call of response. End. For example:
Response. Redirect ("nextpage. aspx ",
False );