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BeginTransaction 方法 (IsolationLevel)

Begins a new transaction with the specified IsolationLevel enumeration value.

命名空間:  Microsoft.AnalysisServices.AdomdClient
組件:  Microsoft.AnalysisServices.AdomdClient (在 Microsoft.AnalysisServices.AdomdClient.dll 中)

語法

'宣告
Public Function BeginTransaction ( _
    isolationLevel As IsolationLevel _
) As AdomdTransaction
'用途
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

參數

傳回值

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

例外

例外狀況 條件
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:

備註

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.

[!附註]

Only IsolationLevel.ReadCommitted is supported.