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CallbackPanel error Options
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UweD
Posted: Thursday, March 12, 2009 10:53:15 AM
Rank: Advanced Member
Groups: Member

Joined: 8/11/2008
Posts: 37
How can I handle the following problem:
I click on a button to build a txt-file for download. At the end is "Response.BinaryWrite(byteArray);".
I wont to use a CallbackPanel to disable the button at this time and showing a LoadingHTML. But I get an error because this PostBack is not correct.
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eo_support
Posted: Thursday, March 12, 2009 4:06:07 PM
Rank: Administration
Groups: Administration

Joined: 5/27/2007
Posts: 24,194
Hi,

You can not use the same page to do Response.BinaryWrite with the CallbackPanel, CallbackPanel relies on all controls in the page being regularly rendered and a "normal" page life cycle to function. If you wish to handle download, you will need to use a separate page.

Thanks!
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