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
- isolationLevel
Type : System.Data. . :: . .IsolationLevel
An IsolationLevel enumeration value.
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.