Begins a new transaction with the specified IsolationLevel enumeration value.
命名空间: Microsoft.AnalysisServices.AdomdClient
程序集: Microsoft.AnalysisServices.AdomdClient (in microsoft.analysisservices.adomdclient.dll)
语法
声明
Public Function BeginTransaction ( _
isolationLevel As IsolationLevel _
) As AdomdTransaction
public AdomdTransaction BeginTransaction (
IsolationLevel isolationLevel
)
public:
AdomdTransaction^ BeginTransaction (
IsolationLevel isolationLevel
)
public AdomdTransaction BeginTransaction (
IsolationLevel isolationLevel
)
public function BeginTransaction (
isolationLevel : IsolationLevel
) : AdomdTransaction
参数
- isolationLevel
An IsolationLevel enumeration value.
返回值
An AdomdTransaction that represents the newly started transaction.
异常
异常类型 | 条件 |
---|---|
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:
|
备注
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.
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---|
Only IsolationLevel.ReadCommitted is supported. |
线程安全
Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
平台
开发平台
有关支持的平台列表,请参阅安装 SQL Server 2005 的硬件和软件要求。
目标平台
有关支持的平台列表,请参阅安装 SQL Server 2005 的硬件和软件要求。
请参阅
参考
AdomdConnection Class
AdomdConnection Members
Microsoft.AnalysisServices.AdomdClient Namespace