In the latest version, the one you upgraded to, the border attribute is not properly supported due to changes in our internal document model. Using the latest version, you can work around the problem by using
This removes the border correctly. We will support the border attribute again starting with Q1.
Let us know if we can assist you any further.
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!