BeginTransaction-Methode (IsolationLevel)
Begins a new transaction with the specified IsolationLevel enumeration value.
Namespace: Microsoft.AnalysisServices.AdomdClient
Assembly: Microsoft.AnalysisServices.AdomdClient (in Microsoft.AnalysisServices.AdomdClient.dll)
Syntax
'Declaration
Public Function BeginTransaction ( _
isolationLevel As IsolationLevel _
) As AdomdTransaction
'Usage
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
Parameter
- isolationLevel
Typ: System.Data. . :: . .IsolationLevel
An IsolationLevel enumeration value.
Rückgabewert
Typ: Microsoft.AnalysisServices.AdomdClient. . :: . .AdomdTransaction
An AdomdTransaction that represents the newly started transaction.
Ausnahmen
Ausnahme | Bedingung |
---|---|
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:
|
Hinweise
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.
Hinweis |
---|
Only IsolationLevel.ReadCommitted is supported. |