Unfortunately, this is not supported for the RadScheduleView control. I will consider it as a feature request. If we receive enough clients' requests we will consider implementing it. You can vote for it and track its progress in our Public Issue Tracking System (PITS) with Issue ID = 4941.
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!