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DataServiceContext.AttachLink Method

Notifies the DataServiceContext to start tracking the specified link that defines a relationship between entity objects.

Namespace:  System.Data.Services.Client
Assembly:  System.Data.Services.Client (in System.Data.Services.Client.dll)

public void AttachLink(
	Object source,
	string sourceProperty,
	Object target
)

Parameters

source
Type: System.Object
The source object in the new link.
sourceProperty
Type: System.String
The name of the property on the source object that represents the link between the source and target object.
target
Type: System.Object
The target object in the link that is bound to the source object specified in this call. The target object must be of the type identified by the source property or a subtype.

ExceptionCondition
ArgumentNullException

When source, sourceProperty, or target is null.

InvalidOperationException

When the link between the two entities already exists.

-or-

When source or target is in an Added or Deleted state.

.NET Framework

Supported in: 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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.

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