Check.MarkForDrop 方法
Marks the foreign key to be dropped next time its parent Table object is altered by the Alter method.
命名空间： Microsoft.SqlServer.Management.Smo
程序集： Microsoft.SqlServer.Smo（在 Microsoft.SqlServer.Smo.dll 中）
语法
声明
Public Sub MarkForDrop ( _
dropOnAlter As Boolean _
)
用法
Dim instance As Check
Dim dropOnAlter As Boolean
instance.MarkForDrop(dropOnAlter)
public void MarkForDrop(
bool dropOnAlter
)
public:
virtual void MarkForDrop(
bool dropOnAlter
) sealed
abstract MarkForDrop :
dropOnAlter:bool -> unit
override MarkForDrop :
dropOnAlter:bool -> unit
public final function MarkForDrop(
dropOnAlter : boolean
)
参数
- dropOnAlter
类型：System.Boolean
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.
实现
IMarkForDrop.MarkForDrop(Boolean)
注释
.gif "注意") 注意 |
|---|
For check constraints based on the UserDefinedTableType object this method generates an exception because user-defined data types cannot be modified. |
示例
请参阅
参考
Microsoft.SqlServer.Management.Smo 命名空间