Message in Chinese (Traditional) (中文（繁體）)
嘗試 Attach 或 Add 的實體不是新的，而且可能已經從其他 DataContext 載入; 但這是不支援的動作。
Unlocalized message
An attempt has been made to Attach or Add an entity that is not new, perhaps having been loaded from another DataContext. This is not supported.
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