How to change cursor icon ?


I have a AJAX form in ASP.Net. Lately, I have been getting an exception: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The sttaus code returned from the server was: 500

This is mostly due to the fact that the user is trying to submit the form 2 times, since the response back from the AJAX is slow. This also results in duplicate records being added in the system.

I would like the user to know that the current process (say if they click on a button) is not yet complete, by changing the cursor icon to a hourglass. The cursor icon should revet back to original state once the page response  is processed.

Please let me know how I could implement this cursor functionality?

Thanks in advance.
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Would be easier to change your ajax transaction to synchronous
So the browser wont accept input until the transaction is completed."POST", "server.php", false);
You can couple that with a javascript function to change your curser

<script type="text/javascript">
function cursor_wait() { = 'wait';

function cursor_clear() { = 'default';

Call cursor_wait(); before your ajax open function
cursor_clear(); after your good response.

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