Gets a list of ContentPlaceHolder controls that the master page uses to define different content regions.
Namespace: System.Web.UI Assembly: System.Web (in system.web.dll)
Derived master page classes access the ContentPlaceHolders property to list the current ContentPlaceHolder controls that are contained by the master. Derived types do not typically override the ContentPlaceHolders property.
Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.