摘要: View Code #region Group,Join //只有join,没有into,内联(inner join) //var sql = from c in sdb.Classic // join s in sdb.StuInfo // on c.classID equals s.classI 阅读全文
posted @ 2020-07-13 09:46 幺幺姚以姚 阅读(292) 评论(0) 推荐(0) 编辑