Méthode AdomdConnection.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.
[!REMARQUE]
Only IsolationLevel.ReadCommitted is supported.