Server.EnumLocks Method ()

Article
12/15/2008

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

Espace de noms: Microsoft.SqlServer.Management.Smo
Assembly: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Syntaxe

'Déclaration
Public Function EnumLocks As DataTable

public DataTable EnumLocks ()

public:
DataTable^ EnumLocks ()

public DataTable EnumLocks ()

public function EnumLocks () : DataTable

Valeur de retour

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.

Notes

Texte mis à jour :

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.

Cet espace de noms, cette classe ou ce membre est pris en charge uniquement par la version 2.0 de Microsoft .NET Framework.

Exemple

'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

Sécurité des threads

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.

Plateformes

Plateformes de développement

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Plateformes cibles

Pour obtenir la liste des plateformes prises en charge, consultez Configuration matérielle et logicielle requise pour l'installation de SQL Server 2005.

Voir aussi

Référence

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

Autres ressources

How to: Use an Enumeration Method that Returns a DataTable Object in Visual Basic .NET
Calling Methods
Gestion des serveurs
sys.syslockinfo (Transact-SQL)

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