空引用的异常new SqlParameter("@UID",answer.UID.UID),//Fknew SqlParameter("@PaperID",answer.PaperID.PaperId),//FKnew SqlParameter("@ScoreID",answer.ScoreID.ScoreID),//Fknew SqlParameter("@Question",answer.Question),new SqlParameter("@Answer",answer.ANswer),new SqlParameter("@Mark",answer.Mark)这里其中必有一个answer对象的属性,或者说是字段为空,楼主断点...
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