Message in Chinese (Simplified) (中文(简体))
该 EntitySet 已有一个 EntityContainer,无法添加到此集合中。
Unlocalized message
The EntitySet already has an EntityContainer, it cannot be added to this collection.
Search by Google该 EntitySet 已有一个 EntityContainer,无法添加到此集合中。
The EntitySet already has an EntityContainer, it cannot be added to this collection.
Search by Google