ForeignKey.MarkForDrop Method

  • 發行項

Marks the foreign key to be dropped the next time its parent Table object is altered by the Alter method.

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

語法

'宣告
Public Sub MarkForDrop ( _
    dropOnAlter As Boolean _
)

public void MarkForDrop (
    bool dropOnAlter
)

public:
virtual void MarkForDrop (
    bool dropOnAlter
) sealed

public final void MarkForDrop (
    boolean dropOnAlter
)

public final function MarkForDrop (
    dropOnAlter : boolean
)

參數

  • dropOnAlter
    A Boolean value that specifies whether to drop the foreign key when its parent Table object is altered with the Alter method.

    If True, the foreign key is dropped when the Alter method is run on the parent Table object.

    If False, the foreign key is dropped immediately.

備註

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

範例

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

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

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

其他資源

Creating, Altering, and Removing Foreign Keys
建立與修改 FOREIGN KEY 條件約束
CREATE TABLE (Transact-SQL)