ForeignKey.DeleteAction Property

Gets or sets the action taken when the row that is referenced by the foreign key is deleted.

Пространство имен: Microsoft.SqlServer.Management.Smo
Сборка: Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Синтаксис

'Декларация
Public Property DeleteAction As ForeignKeyAction

public ForeignKeyAction DeleteAction { get; set; }

public:
property ForeignKeyAction DeleteAction {
    ForeignKeyAction get ();
    void set (ForeignKeyAction value);
}

/** @property */
public ForeignKeyAction get_DeleteAction ()

/** @property */
public void set_DeleteAction (ForeignKeyAction value)

public function get DeleteAction () : ForeignKeyAction

public function set DeleteAction (value : ForeignKeyAction)

Значение свойства

A ForeignKeyAction value that specifies the action taken when the row that is referenced by the foreign key is deleted.

Замечания

Изменения текста

The DeleteAction property can be used to specify that the action is cascaded. This means that the foreign key row is also deleted. You can also set the foreign key to the default value, or set it to Null.

Это пространство имен, класс или элемент поддерживаются только платформой Microsoft .NET Framework версии 2.0.

Пример

How to: Create, Alter, and Remove a Foreign Key in Visual Basic .NET

Синхронизация потоков

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.

Платформы

Платформы разработки

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

Целевые платформы

Список поддерживаемых платформ см. в разделе Hardware and Software Requirements for Installing SQL Server 2005.

См. также

Справочник

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

Другие ресурсы

Creating, Altering, and Removing Foreign Keys
Создание и изменение ограничений FOREGN KEY
CREATE TABLE (Transact-SQL)