We're not sure what can be the reason for this behavior, could you please send us simple example where the problem is reproduced? Note that you should open a support ticket and attach it there. Thanks
All the best,
the Telerik team
Register for the Q2 2011 What's New Webinar Week. Mark your calendar for the week starting July 18th and book your seat for a walk through of all the exciting stuff we will ship with the new release!