Message in Chinese (Simplified) (中文(简体))
该对象不能添加到对象上下文中。对象�s EntityKey 具有一个指示该对象已参与另一关系的 ObjectStateEntry。
Unlocalized message
The object cannot be added to the object context. The object�s EntityKey has an ObjectStateEntry that indicates that the object is already participating in a different relationship.
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