Suppress "You have made changes to this page" in Custom Property

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I'm creating a Custom Property that uses two Listboxes to add/remove between, and to sort. I am using ImageButtons for the sorting, however whenever I click each button, I'm receiving a javascript alert:

"Are you sure you want ot navigate away from this page?

You have made changes to this page

Press OK to continue, or Cancel to stay on the current page."

Is there a way to suppress this message in my control for usability sake? Even though the final functionality works, it's a little annoying when I'm not technically navigating away.

#49619
Mar 25, 2011 2:10