Message in Chinese (Simplified) (中文(简体))
为关系传递的 EntityState 值无效。EntityState 值必须是以下某种项: Added、Deleted、Detached 或 Unchanged。无法将关系设置为 Modified 状态。
Unlocalized message
The EntityState value passed for the relationship is not valid. The EntityState value must be one of the following: Added, Deleted, Detached, or Unchanged. Relationships cannot be set to the Modified state.
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