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ObjectContext::ApplyOriginalValues<TEntity> Method (String^, TEntity)

Entity Framework 6.0

Copies the scalar values from the supplied object into set of original values for the object in the ObjectContext that has the same key.

Namespace: System.Data.Entity.Core.Objects
Assembly: EntityFramework (in EntityFramework.dll)

Syntax

C++

public:
generic<typename TEntity>
where TEntity : ref class
virtual TEntity ApplyOriginalValues(
	String^ entitySetName,
	TEntity originalEntity
)

Parameters

entitySetName: Type: System::String^
The name of the entity set to which the object belongs.

originalEntity: Type: TEntity
The detached object that has original values to apply to the object. The entity key of originalEntity must match the EntityKey property of an entry in the ObjectContext .

Return Value

Type: TEntity

The updated object.

Type Parameters

TEntity: The type of the entity object.

Exceptions

Exception	Condition
ArgumentNullException	entitySetName or original is null.
InvalidOperationException	The EntitySet from entitySetName does not match the EntitySet of the object EntityKey or an ObjectStateEntry for the object cannot be found in the ObjectStateManager or the object is in an Added or a Detached state or the entity key of the supplied object is invalid or has property changes.
ArgumentException	entitySetName is an empty string.