Message in Chinese (Simplified) (中文(简体))
无法完成所请求的操作,因为实现 IEntityWithRelationships 的对象从 RelationshipManager 属性返回一个 null 值。
Unlocalized message
The requested operation could not be completed because the object implementing IEntityWithRelationships returned a null value from the RelationshipManager property.
Search by Google