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  • Artykuł

DataServiceContext.DeleteLink Method

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Changes the state of the link to Deleted in the list of links being tracked by the DataServiceContext.

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

Syntax

'Declaration
Public Sub DeleteLink ( _
    source As Object, _
    sourceProperty As String, _
    target As Object _
)

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

Parameters

  • source
    Type: System.Object
    The source object in the link to be marked for deletion.
  • sourceProperty
    Type: System.String
    The name of the property on the source object that represents the source in the link between the source and the target.
  • target
    Type: System.Object
    The target object involved in the link that is bound to the source object. 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 are nulla null reference (Nothing in Visual Basic).
InvalidOperationException

When the source or target objects are in an Added or Detached state.

-or-

When sourceProperty is not property that returns a collection.

Remarks

Any link being tracked by the DataServiceContext, regardless of its current state, can be detached.

Examples

For an example that uses the DeleteLink method, see Modifying and Deleting Entity Data (WCF Data Services/Silverlight).

Version Information

Silverlight

Supported in: 5, 4, 3

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.