Méthode BeginTransaction (IsolationLevel)

Begins a new transaction with the specified IsolationLevel enumeration value.

Espace de noms :  Microsoft.AnalysisServices.AdomdClient
Assembly :  Microsoft.AnalysisServices.AdomdClient (en Microsoft.AnalysisServices.AdomdClient.dll)

Syntaxe

'Déclaration
Public Function BeginTransaction ( _
    isolationLevel As IsolationLevel _
) As AdomdTransaction
'Utilisation
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

Paramètres

Valeur de retour

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

Exceptions

Exception Condition
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:

Notes

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.

Notes

Only IsolationLevel.ReadCommitted is supported.