Gets or sets a semicolon-delimited set of control identifiers contained within the current page or user control used to vary the current cache entry.
Assembly: System.Web (in System.Web.dll)
Property ValueType: System.String
A semicolon-separated list of strings used to vary an entry's output cache. The property is set to fully qualified control identifiers, where the identifier is a concatenation of control IDs starting from the top-level parent control and delimited with a dollar sign ($) character.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.