Hi Igor Goldobin,
I prepared a sample for you that shows how to apply different styes on Panelbaritems depending on the different selection. Please let us know if this helped you.
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? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items