ForeignKey.DeleteAction Property

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

Spazio dei nomi: Microsoft.SqlServer.Management.Smo
Assembly : Microsoft.SqlServer.Smo (in microsoft.sqlserver.smo.dll)

Sintassi

'Dichiarazione
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)

Valore proprietà

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

Osservazioni

Testo aggiornato:

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.

Questo spazio dei nomi, classe o membro è supportato solo nella versione 2.0 di Microsoft .NET Framework.

Esempio

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

Thread Safety

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.

Piattaforme

Piattaforme di sviluppo

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Piattaforme di destinazione

Per un elenco delle piattaforme supportate, vedere Requisiti hardware e software per l'Installazione di SQL Server 2005.

Vedere anche

Riferimento

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

Altre risorse

Creating, Altering, and Removing Foreign Keys
Creazione e modifica di vincoli FOREIGN KEY
CREATE TABLE (Transact-SQL)