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DataServiceContext.AttachLink Method

.NET Framework 4.5

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)

Syntax

C++

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.

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.

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.

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5 SP1

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

DataServiceContext Class

System.Data.Services.Client Namespace

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