DataServiceContext.AttachLink(Object, String, Object) Method

Definition

Namespace:

System.Data.Services.Client

Assembly:

System.Data.Services.Client.dll

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

public:
 void AttachLink(System::Object ^ source, System::String ^ sourceProperty, System::Object ^ target);

public void AttachLink (object source, string sourceProperty, object target);

member this.AttachLink : obj * string * obj -> unit

Public Sub AttachLink (source As Object, sourceProperty As String, target As Object)

Parameters

source

Object

The source object in the new link.

sourceProperty

String

The name of the property on the source object that represents the link between the source and target object.

target

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.

Exceptions

ArgumentNullException

source, sourceProperty, or target is null.

InvalidOperationException

The link between the two entities already exists.

-or-

source or target is in an Added or Deleted state.