Gets the user identifier from the membership data source for the user.
Assembly: System.Web (in System.Web.dll)
The property exposes the identifier from the membership data source typed as object. The type of the identifier depends on the MembershipProvider or the MembershipUser. In the case of the SqlMembershipProvider, the can be cast as a Guid, since the SqlMembershipProvider stores the user identifier as a UniqueIdentifier.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.