This a very popular request in the community and we hope to be able to include it in the product for the official release. In any case it will appear in the first months of 2011.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items