This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Gets or sets the file name of the master page. Master pages are not supported in ASP.NET mobile Web Forms pages. This API is obsolete. For information about how to develop ASP.NET mobile applications, see the www.asp.net/mobile Web site.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2