DataServiceContext.AttachTo Method (String, Object)
Notifies the DataServiceContext to start tracking the specified resource and supplies the location of the resource within the specified resource set.
Assembly: System.Data.Services.Client (in System.Data.Services.Client.dll)
If the entity is part of an object graph, this operation does not traverse the graph to add related objects. It is a shallow operation.
The method does not validate whether the specified entity set exists in the data service associated with the DataServiceContext.
For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.