Metodo BeginTransaction (IsolationLevel)
Begins a new transaction with the specified IsolationLevel enumeration value.
Spazio dei nomi Microsoft.AnalysisServices.AdomdClient
Assembly: Microsoft.AnalysisServices.AdomdClient (in Microsoft.AnalysisServices.AdomdClient.dll)
Sintassi
'Dichiarazione
Public Function BeginTransaction ( _
isolationLevel As IsolationLevel _
) As AdomdTransaction
'Utilizzo
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
Parametri
- isolationLevel
Tipo: System.Data. . :: . .IsolationLevel
An IsolationLevel enumeration value.
Valore restituito
Tipo: Microsoft.AnalysisServices.AdomdClient. . :: . .AdomdTransaction
An AdomdTransaction that represents the newly started transaction.
Eccezioni
Eccezione | Condizione |
---|---|
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:
|
Osservazioni
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.
Vedere anche