ChangeSet.GetOriginal<TEntity> Method
[WCF RIA Services Version 1 Service Pack 2 is compatible with either .NET framework 4 or .NET Framework 4.5, and with either Silverlight 4 or Silverlight 5.]
Gets the original unmodified entity for the specified entity.
Namespace: System.ServiceModel.DomainServices.Server
Assembly: System.ServiceModel.DomainServices.Server (in System.ServiceModel.DomainServices.Server.dll)
Syntax
'Declaration
Public Function GetOriginal(Of TEntity As Class) ( _
clientEntity As TEntity _
) As TEntity
'Usage
Dim instance As ChangeSet
Dim clientEntity As TEntity
Dim returnValue As TEntity
returnValue = instance.GetOriginal(clientEntity)
public TEntity GetOriginal<TEntity>(
TEntity clientEntity
)
where TEntity : class
public:
generic<typename TEntity>
where TEntity : ref class
TEntity GetOriginal(
TEntity clientEntity
)
member GetOriginal :
clientEntity:'TEntity -> 'TEntity when 'TEntity : not struct
JScript does not support generic types and methods.
Type Parameters
- TEntity
The entity type.
Parameters
- clientEntity
Type: TEntity
The client modified entity.
Return Value
Type: TEntity
The original unmodified entity for the specified clientEntity.
Exceptions
| Exception | Condition |
|---|---|
| [ArgumentNullException] | clientEntity is nulla null reference (Nothing in Visual Basic). |
| [ArgumentException] | clientEntity is not in the change set. |
| [InvalidOperationException] | operation is an Insert. |
Remarks
Note that only members marked with RoundtripOriginalAttribute will be set in the returned instance.