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In ASP. NET, does the onbeforeunload event call _ dopostback function?

Source: Internet
Author: User
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I want to call _ dopostback when the page leaves, but the server will not receive the PostBack notification.
Function Test ()

{

_ Dopostback ('button1 ','');

}

<Body ms_positioning = "gridlayout" onbeforeunload = "test ()">


However, if _ dopostback is called elsewhere, there is no problem.

I added a latency after _ dopostback.

<SCRIPT>

Function pause (numbermillis ){

VaR now = new date ();

VaR exittime = now. gettime () + numbermillis;

While (true ){

Now = new date ();

If (now. gettime ()> exittime)

Return;

}

}


Function Test ()

{

_ Dopostback ('button1 ','');

Pause (100 );

}

</SCRIPT>

However, I feel that the processing is not professional,

It feels like _ dopostback uses one thread and onbeforeunload uses another thread. If _ dopostback is completed first and the onbeforeunload is suspended for some time, OK...

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Related Keywords:
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