Artículo
03/30/2012

BeginTransaction Método (IsolationLevel)

Begins a new transaction with the specified IsolationLevel enumeration value.

Espacio de nombres: Microsoft.AnalysisServices.AdomdClient
Ensamblado: Microsoft.AnalysisServices.AdomdClient (en Microsoft.AnalysisServices.AdomdClient.dll)

Sintaxis

'Declaración
Public Function BeginTransaction ( _
    isolationLevel As IsolationLevel _
) As AdomdTransaction
'Uso
Dim instance As AdomdConnection
Dim isolationLevel As IsolationLevel
Dim returnValue As AdomdTransaction

returnValue = instance.BeginTransaction(isolationLevel)

public AdomdTransaction BeginTransaction(
    IsolationLevel isolationLevel
)

public:
AdomdTransaction^ BeginTransaction(
    IsolationLevel isolationLevel
)

member BeginTransaction : 
        isolationLevel:IsolationLevel -> AdomdTransaction

public function BeginTransaction(
    isolationLevel : IsolationLevel
) : AdomdTransaction

Parámetros

isolationLevel
Tipo: System.Data. . :: . .IsolationLevel
An IsolationLevel enumeration value.

Valor devuelto

Tipo: Microsoft.AnalysisServices.AdomdClient. . :: . .AdomdTransaction
An AdomdTransaction that represents the newly started transaction.

Excepciones

Excepción	Condición
System..::..NotSupportedException	The member was called with an unsupported isolation level.
AdomdErrorResponseException	The provider returned an error in response.
AdomdUnknownResponseException	The provider sent an unrecognizable response.
AdomdConnectionException	The connection was broken.
System..::..InvalidOperationException	An error occurred because one of the following conditions was met: The connection was not set. The connection was not opened. Either the CommandText property or the CommandStream property was improperly set. Both the CommandText property and the CommandStream property were set. Neither the CommandText property, nor the CommandStream property was set.

Comentarios

Once the transaction has completed, you must explicitly commit the transaction by using the Commit method or roll back the transaction by using the Rollback method of the AdomdTransaction.

Nota

Only IsolationLevel.ReadCommitted is supported.