Message in Chinese (Simplified) (中文(简体))
AcceptChanges 无法继续,因为对象�s EntityKey 值为 null 或者不是临时键。当在对象处于 added 状态的情况下修改 EntityKey 属性时,就会发生这种情况。
Unlocalized message
AcceptChanges cannot continue because the object�s EntityKey value is null or is not a temporary key. This can happen when the EntityKey property is modified while the object is in an added state.
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