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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:  Microsoft.Data.Services.Client (in Microsoft.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.

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