This documentation is archived and is not being maintained.

ObjectStateManager.GetRelationshipManager Method

Returns the RelationshipManager that is used by the specified object.

Namespace:  System.Data.Objects
Assembly:  System.Data.Entity (in System.Data.Entity.dll)

public RelationshipManager GetRelationshipManager(
	Object entity


Type: System.Object
The object for which to return the RelationshipManager.

Return Value

Type: System.Data.Objects.DataClasses.RelationshipManager
The RelationshipManager for the specified object.


When a RelationshipManager cannot be returned for the specified entity.

Calling the GetRelationshipManager method is the same as calling the TryGetRelationshipManager method, except that this method raises an exception instead of returning false.

Call the TryGetRelationshipManager method to avoid handling the InvalidOperationException that occurs when a RelationshipManager cannot be returned for the supplied entity.

.NET Framework

Supported in: 4

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.