ObjectStateManager.ObjectStateManagerChanged 事件
[本页针对的是实体框架版本 6。最新版本以“实体框架”NuGet 包的形式提供。有关实体框架的更多信息,请参见 msdn.com/data/ef。]
在从状态管理器中添加或移除实体时发生。
命名空间: System.Data.Entity.Core.Objects
程序集: EntityFramework(在 EntityFramework.dll 中)
语法
声明
Public Event ObjectStateManagerChanged As CollectionChangeEventHandler
用法
Dim instance As ObjectStateManager
Dim handler As CollectionChangeEventHandler
AddHandler instance.ObjectStateManagerChanged, handler
public event CollectionChangeEventHandler ObjectStateManagerChanged
public:
event CollectionChangeEventHandler^ ObjectStateManagerChanged {
void add (CollectionChangeEventHandler^ value);
void remove (CollectionChangeEventHandler^ value);
}
member ObjectStateManagerChanged : IEvent<CollectionChangeEventHandler,
CollectionChangeEventArgs>
JScript supports the use of events, but not the declaration of new ones.