RelatedEnd.IRelatedEnd.Attach Method (Object)
Attaches an object to the related end.
Assembly: System.Data.Entity (in System.Data.Entity.dll)
If the related end already has some entities attached to it, the existing entities will be merged with the new entity. The new entity is not assumed to be the complete set of related entity objects.
The source entity object and all entity objects passed in must be in an Unchanged or Modified state. Deleted elements are allowed only when the state manager is already tracking the relationship instance.
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.