RadDatePicker exposes the ChildrenCreated server event, which occurs after the child controls have been created.
The ChildrenCreated event handler receives two arguments:
The control whose children have just been created. This argument is of type object, but can be cast to the appropriate type.
A DefaultViewChangedEventArgs object. This object has the following two properties:
OldView is the CalendarView object for the view that was current before the change.
NewView is the CalendarView object for the current view after the change.
You can use this event to set date input and calendar properties, or add additional controls. The following example uses the ChildrenCreated event handler to add a control that clears the selection: