Gets or sets the virtual path of the master page.
Assembly: System.Web (in System.Web.dll)
The PreInit event; attempting to set the property after the PreInit event will throw an InvalidOperationException exception. If the property is not valid, an exception of type HttpException is thrown later in the page life cycle, but no exception is thrown when the property is set in the PreInit event.property is a virtual path (from the root of the application) of the master page file associated with this page. The property can be set only in the
Pages that have the Content controls.property set are content pages, and therefore can contain only top-level controls that are
Available since 2.0