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

String

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 nullThe 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.

适用于