title: How to make a source code change to AjaxControlToolkit.dll?
body: <p>I'd like to change the source code for ModalPopupBehavior.js, inside the ajaxcontroltoolkit. Can someone walk me through this?</p>
  
  <ol>
  <li>How do I extract the .js file from the dll?</li>
  <li>Once the change is made, how to repackage the dll?</li>
  </ol>
  
  <p>Thank you!</p>