MetaAssociation.DeleteRule 属性
定义
在派生类中重写时,获取删除子级时的行为。When overridden in a derived class, gets the behavior when the child is deleted.
public:
abstract property System::String ^ DeleteRule { System::String ^ get(); };
public abstract string DeleteRule { get; }
member this.DeleteRule : string
Public MustOverride ReadOnly Property DeleteRule As String
属性值
返回表示规则的字符串;或者如果没有指定删除时的操作,则返回 null。The string representing the rule, or null if no action is specified on delete.
注解
规则示例包括 "级联"、"设置 NULL" 等。Examples of rules are "CASCADE", "SET NULL", and so forth.