Could you specify the version of RadControls for ASP.NET AJAX that you have encountered the problem with? Also could you let me know what browser is reproducing the issue and which version? Finally, please, send us a fully runnable sample project, which shows the strange behavior, so that we can investigate it in details.
the Telerik team
Registration for Q1 2011 What’s New Webinar Week is now open. Mark your calendar for the week starting March 21st and book your seat
for a walk through all the exciting stuff we ship with the new release!