AdomdConnection.BeginTransaction Method (IsolationLevel)

Begins a new transaction with the specified IsolationLevel enumeration value.

Пространство имен: Microsoft.AnalysisServices.AdomdClient
Сборка: Microsoft.AnalysisServices.AdomdClient (in microsoft.analysisservices.adomdclient.dll)

Синтаксис

'Декларация
Public Function BeginTransaction ( _
    isolationLevel As IsolationLevel _
) As AdomdTransaction

public AdomdTransaction BeginTransaction (
    IsolationLevel isolationLevel
)

public:
AdomdTransaction^ BeginTransaction (
    IsolationLevel isolationLevel
)

public AdomdTransaction BeginTransaction (
    IsolationLevel isolationLevel
)

public function BeginTransaction (
    isolationLevel : IsolationLevel
) : AdomdTransaction

Параметры

isolationLevel
An IsolationLevel enumeration value.

Возвращаемое значение

An AdomdTransaction that represents the newly started transaction.

Исключения

Тип исключения	Условие
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.

Замечания

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.

Примечание.
Only IsolationLevel.ReadCommitted is supported.

Синхронизация потоков

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Платформы

Платформы разработки

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

Целевые платформы