Does the CPU usage returns back to 0% after it became 30%? When you click the dropdown button, the Popup opens and its contents are created. Since the RadDateTimePicker in this particular example contains hundreds of elements, it is possible to get a CPU usage peak when they are generated. It would be a problem if the CPU usage does not return back to 0%.
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!