I\'ve a simple asp.net page (framework 3.5) and an UpdatePanel with a series of dropdownlist I want to populate asyncronously. All works fine in all major browsers (Opera, S
I have the same problem. I've got a dropdown inside a ajax postback and need to do an update when the selected index changes. It works with a basic page in a new project too.
After adding the Webkit script mentioned in the other answers I still get the same problem and when running the javascript debugger in Chrome I get this error:
uncaught exception ReferenceError: evt is not defined
UPDATE: SOLUTION
I found that in my case it was a CustomValidator that was interfering with the event handler. Setting EnableClientScript to false fixed the issue.