Assembly: System.Web (in system.web.dll)
The WebPartManager constructor initializes several important variables used by the WebPartManager control. One assignment that directly impacts all Web Parts pages is the fact that the default page display mode is set to browse mode (BrowseDisplayMode).
Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.