摘要: DataTable dt = new DataTable(); var age=dt.Compute("avg(age)",""); var height =dt.Compute("avg(height)",""); DataTable.AsEnumerable().Average(x =>x.Fi 阅读全文
posted @ 2016-12-30 19:10 cclon 阅读(6150) 评论(0) 推荐(0) 编辑