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How do I know if a control has been callbacked?

I have an ASPX page and on this page I have a control that contains AJAX UpdatePanel

. When the control makes a callback, the ASPX page event is fired Page_Load

, but the property Page.IsCallBack

is false.

How do I find out on the page an Page_Load

event if there was a callback?

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1 answer


I used the following code to check if triggered Page_Load

by an AJAX request:



if (!string.IsNullOrEmpty(Request.Headers["X-MicrosoftAjax"]))
{
}
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