GridViewDataColumn creates DateTimePicker editors for its cells, when it s bound to a DateTime type property. There is not a specific column, such as GridDateTimeColumn. Please, refer to the attached project.
All the best,
the Telerik team
Register for the Q2 2011 What's New Webinar Week. Mark your calendar for the week starting July 18th and book your seat for a walk through of all the exciting stuff we will ship with the new release!