Multiple Update panel : How to know which one triggered the postback
<blockquote>
  <p><strong>Possible Duplicate:</strong><br>
  <a href="http://stackoverflow.com/questions/4851694/how-to-know-which-updatepanel-causes-the-partial-postback">How to know which UpdatePanel causes the partial PostBack?</a>  </p>
</blockquote>



<p>In case of multiple update panels on page how to know which update panel triggered the post back.</p>
