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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)

Syntax

'Declaration
Public Sub AttachLink ( _
    source As Object, _
    sourceProperty As String, _
    target As Object _
)
'Usage
Dim instance As DataServiceContext 
Dim source As Object 
Dim sourceProperty As String 
Dim target As Object

instance.AttachLink(source, sourceProperty, _
    target)
public void AttachLink(
    Object source,
    string sourceProperty,
    Object target
)
public:
void AttachLink(
    Object^ source, 
    String^ sourceProperty, 
    Object^ target
)
member AttachLink : 
        source:Object * 
        sourceProperty:string * 
        target:Object -> unit
public function AttachLink(
    source : Object, 
    sourceProperty : String, 
    target : Object
)

Parameters

  • 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.

Exceptions

Exception Condition
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.

See Also

Reference

DataServiceContext Class

System.Data.Services.Client Namespace