I am using the asp.net with c# and using the update
panel, i am getting the error sometime not all
time and no page navigate after then,its occure only in mozilla fire fox.
following is the massange on the pop up window:-
"Sys.WebForms.PageRequestManagerServerErrorException: An unknown
error occurred while processing the request on the server. The status
code returned from the server was: 0 or 500"
how to avoid this message
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