Database.EnumLocks Method ()

  • 發行項

Enumerates a list of all current locks held on the database.

命名空間: Microsoft.SqlServer.Management.Smo
組件: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

語法

'宣告
Public Function EnumLocks As DataTable

public DataTable EnumLocks ()

public:
DataTable^ EnumLocks ()

public DataTable EnumLocks ()

public function EnumLocks () : DataTable

傳回值

A DataTable object value that contains a list of locks held on the database and information about the type and location of the locks. The table describes the different columns of the returned DataTable.

Column

Data type

Description

RequestorSpid

Int32

The system process ID value of the process that is holding a lock on a database resource.

LockType

String

The description of the type of lock. See the syslockinfo table for a description of different lock types.

Database

String

The name of the database on which the lock is held.

Table

String

The name of the table on which the lock is held. This field contains a value only if the lock is held on a table.

Index

String

The name of the index on which the lock is held. This field contains a value only if the lock is held on an index.

Status

Int32

The status of the lock, which can be one of the following:

1 = Granted.

2 = Converting.

3 = Waiting.

備註

更新的文字：2006 年 7 月 17 日

只有 Microsoft .NET Framework 2.0 版支援此命名空間、類別或成員。

範例

The example runs a Server object enumeration method, but extracting the information from the DataTable object is the same for Database enumeration methods.

'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

執行緒安全性

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

開發平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

目標平台

如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。

請參閱

參考

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

其他資源

How to: Use an Enumeration Method that Returns a DataTable Object in Visual Basic .NET
How to: Create, Alter, and Remove a Database in Visual Basic .NET
sys.syslockinfo (Transact-SQL)
Creating, Altering, and Removing Databases
CREATE DATABASE (Transact-SQL)