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IE 10/11 hangs/crashes when AJAX updatepanel used. Runs perfect in Chrome?

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After removing all JavaScript, jQuery, add-ons etc. the problem did not disappear. The reason for performance issue is the AJAX update panel used. Are you aware of a work around for this bug in IE11/10?

I have found this one but does not fix the issue in IE?

http://support.microsoft.com/kb/2000262/en-nz

I have completed all AJAX performance optimisation in this article also.

http://lancezhang.wordpress.com/2008/11/15/aspnet-ajax-performance/

<add name="X-UA-Compatible" value="IE=edge" /> (IE=EmulateIE9) does not work.

<!DOCTYPE html>

We have 150 users which will be forced to go to Chrome due to this issue.

Many thanks.


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