與此相關端點關聯的來源物件如果不是處於已加入、已刪除或已卸離狀態，附加就不是有效的作業。使用 NoTracking 合併選項載入的物件永遠是卸離。

Message in Chinese (Traditional) (中文（繁體）)

Unlocalized message

Attach is not a valid operation when the source object associated with this related end is in an added, deleted, or detached state. Objects loaded using the NoTracking merge option are always detached.

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