大家好，伊人来为大家解答以上问题。快乐大本营，胡歌哪期 主题是什么很多人还不知道，现在让我们一起来看看吧！
One strange thing i\'ve got to see in Entity Framework 4.0 V2 Auto Generated Classes(tt) is that the classes are not marked as Serializable. Although they are having DataContract attribute for WCF.
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