Message in Chinese (Simplified) (中文(简体))
EntitySet“<var>X</var>”中的所有对象都必须具有唯一主键。但是，一个类型为“<var>Type Name</var>”的实例和一个类型为“<var>Y</var>”的实例具有相同的主键值“X”。
Unlocalized message
All objects in the EntitySet '<var>X</var>' must have unique primary keys. However, an instance of type '<var>Type Name</var>' and an instance of type '<var>Y</var>' both have the same primary key value, 'X'.
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