Server.EnumLocks Method (Int32)

Enumerates a list of current locks held by the specified process on the instance of Microsoft SQL Server.

命名空间: Microsoft.SqlServer.Management.Smo
程序集: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

语法

声明
Public Function EnumLocks ( _
    processId As Integer _
) As DataTable

public DataTable EnumLocks (
    int processId
)

public:
DataTable^ EnumLocks (
    int processId
)

public DataTable EnumLocks (
    int processId
)

public function EnumLocks (
    processId : int
) : DataTable

参数

• processId
  An Int32 value that specifies the system ID value that uniquely identifies the process.

返回值

已更新的文本： A DataTable system object value that contains a list of current locks held by the specified process on the instance of SQL Server. The table describes the different columns of the returned DataTable.

Column	Data type	Description
RequestorSpid	Int32	The SQL Server process ID that uniquely identifies the process requesting the lock.
LockType	String	The type of lock. See req_mode in sys.syslockinfo (Transact-SQL).
Database	String	The name of the database that contains the lock.
Schema	String	The schema of the locked resource.
Table	String	The table that contains the lock.
Index	String	The index that contains the lock.
Status	Int32	The status of the lock. 1 for Grant, 2 for Convert, and 3 for Wait.

备注

已更新的文本：

Use this method to determine the locks that are currently held on the instance of SQL Server. The information that is returned can help you identify locking problems that might affect performance.

仅 Microsoft .NET Framework 的 2.0 版本支持此命名空间、类或成员。

示例

'Connect to the local, default instance of SQL Server.
Dim srv As Server
srv = New Server
'Call the EnumCollations method and return collation information to DataTable variable.
Dim d As DataTable
'Select the returned data into an array of DataRow.
d = srv.EnumCollations
'Iterate through the rows and display collation details for the instance of SQL Server.
Dim r As DataRow
Dim c As DataColumn
For Each r In d.Rows
    Console.WriteLine("============================================")
    For Each c In r.Table.Columns
        Console.WriteLine(c.ColumnName + " = " + r(c).ToString)
    Next
Next

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

Server Class
Server Members
Microsoft.SqlServer.Management.Smo Namespace

其他资源

How to: Use an Enumeration Method that Returns a DataTable Object in Visual Basic .NET
Calling Methods
管理服务器
sys.syslockinfo (Transact-SQL)