Message in Chinese (Traditional) (中文(繁體))![](/img/flags/zh-Hant.png)
具有 Null EntityKey 值的物件不可附加到物件內容。
Unlocalized message![](/img/flags/en.png)
An object with a null EntityKey value cannot be attached to an object context.
Search by Google具有 Null EntityKey 值的物件不可附加到物件內容。
An object with a null EntityKey value cannot be attached to an object context.
Search by Google