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ModalPopupExtender and ScriptManager AsyncPostBackError Event

Hello all,

I have been using the ModalPopupExtender as a way of catching errors
and displaying them to users. This includes business rule violations
that I catch. This all works fine as long as I can write the if
statement to trap the error.

However this does not work in the case of un-handled exceptions. I
have recently found out that un-handled ajax exceptions can be dealt
with using the AsyncPostBackError event. So what I have been trying to
do is deal with the error using the AsyncPostBackError event and this
display a custom message using the ModalPopupExtender. What I'm
finding now is that the ModalPopupExtender does not work after an un-
handled ajax exception. Apparently the processing of the page stops
after the error so I can't call the UpdatePanel.Update() and
ModalPopupExtender.Show() methods.

I would really like to be able to re-use the ModalPopupExtender for
all error messages. Can anyone tell me how I might solve this problem?

Sep 4 '08 #1
0 1741

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