In order to achieve the desired scenario you would need to edit the DateTimePicker default Template and to insert a button inside which will clear the selected date. We have attached a sample project demonstrating the exact approach, please note that we are using Implicit Styles
to style the DateTimePicker.
Hope this helps.
TRY TELERIK'S NEWEST PRODUCT - EQATEC APPLICATION ANALYTICS for SILVERLIGHT.
Learn what features your users use (or don't use) in your application. Know your audience. Target it better. Develop wisely.
Sign up for Free application insights >>