This article shows what you can achieve using the smart tag of RadDataEntry.
New Theme Manager: Adds a new RadThemeManager component to the form.
Edit UI elements: Opens a dialog that displays the Element Hierarchy Editor. This editor lets you browse all the elements in the control.
Theme Name: Select a theme name from the drop down list of themes available for that control. Selecting a theme allows you to change all aspects of the controls visual style at one time.
Learning Center: Navigate to the Telerik help, code library projects or support forum.
Search: Search the Telerik site for a given string.
Dock in Parent Container: This option allows you to easily dock the RadDataEnty.