Marks the foreign key to be dropped 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 the check constraint is dropped when an Alter method is run on the parent SqlSmoObject object.If True, the check constraint is dropped when the table is altered.
If False, the check constraint is not marked for drop.
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: Use an SMO Method with a Parameter 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
Check Class
Check Members
Microsoft.SqlServer.Management.Smo Namespace
其他資源
Working with Database Objects
CHECK 條件約束
CREATE TABLE (Transact-SQL)