Context. Apply Original Values<TEntity>(String, TEntity) Method
Copies the scalar values from the supplied object into set of original values for the object in the ObjectContext that has the same key.
public: generic <typename TEntity> where TEntity : class TEntity ApplyOriginalValues(System::String ^ entitySetName, TEntity originalEntity);
public TEntity ApplyOriginalValues<TEntity> (string entitySetName, TEntity originalEntity) where TEntity : class;
member this.ApplyOriginalValues : string * 'Entity -> 'Entity (requires 'Entity : null)
Public Function ApplyOriginalValues(Of TEntity As Class) (entitySetName As String, originalEntity As TEntity) As TEntity
The type of the entity object.
The name of the entity set to which the object belongs.
The updated object.
The entity key of the supplied object is invalid or has property changes.
entitySetName is an empty string.
The ApplyOriginalValues method is used to apply changes that were made to objects outside the ObjectContext, such as detached objects that are received by a Web service. The method copies the scalar values from the supplied object into the object in the ObjectContext that has the same key. You can use the EntityKey of the detached object to retrieve an instance of this object from the data source. For more information, see How to: Return a Specific Object Using its Key. Any values that differ from the current values of the object are marked as modified. Note, the method does not apply the current values to the related objects of
If you have a graph with the original values and want to apply the current values, call ApplyCurrentValues method.