Calling ASP.NET Function from JavaScript

Is it possible to call a asp.net function from Javascript?
Mike_StevensAsked:
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naveenkohliCommented:
Not direcrtly. You can use AJAX techniques to call back into server into particular function.
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prajeebkumarCommented:
I think another hack would be to have a hidden button and call hiddenbutton.click() in javascript which would call your function... let me know if you want the code to invoke a button click in javascript.
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Mike_StevensAuthor Commented:
I would appreciate some sample code
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prajeebkumarCommented:
before I try anything, what exactly are you trying to do.. what is the scenario when you want to invoke this asp.net function on client side?
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Mike_StevensAuthor Commented:
I am using javascript to rotate banner ads in the masterpage of a project i am working on.  I am trying to write information on at ad that has just been clicked by the user in an effort to track how many times each ad has been clicked.
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prajeebkumarCommented:
can you have something like this on the click event of your ad image?  you should have a hidden asp:button with click event defined in code behind.. i haven't tried it, but you can give it a shot.

<a href="testURL"    onclick="document.getElementById('hiddenButton').click(); return false;"> <asp:Image id="AdImage"/> </a>

if you can't do this, you can still write to a cookie incrementing the count everytime the user clicks the ad and read from it on page_load and update where you want to, of course you have to implement the logic so that you dont duplicate the count and keep adding it.
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