Attaches an entity to the DataContext in either a modified or unmodified state by specifying both the entity and its original state.
The entity to be attached.
An instance of the same entity type with data members that contain the original values.
This member is an explicit interface member implementation. It can be used only when the Table<TEntity> instance is cast to an ITable interface.
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.