ChangeSet.GetOriginal<TEntity> Method

Article
01/27/2012

[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.

Share via