The C1EventsCalendar control contains six built-in themes. When one of these themes is selected, all other ASP.NET Web Forms Edition controls on the page will be skinned accordingly. The themes will appear on the C1EventsCalendar control as follows:

To set the theme of the C1EventsCalendar control, simply set its Theme property to one of the built-in themes. This can be done in the C1EventsCalendar Tasks menu, in code, or in the Visual Studio Properties window. See Using a Built-In Theme for more information.