Hi,
We are aware of that issue and it is already fixed. A CSS fix is will be provided in the next official release - Q2, 2012, Service Pack 1, scheduled for the last week of July. Until then, you could use the following fix in your projects:
Kind regards,
Bozhidar
the Telerik team
If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to their
blog feed now.