DataTable dt = new DataTable(); var age=dt.Compute("avg(age)",""); var height =dt.Compute("avg(height)",""); ---- DataTable.AsEnumerable().Average(x =>x.Field<int>(2));//得到平均值 x.Field<int>(2) 里面的2
DataTable da = CommonBLL.GetList("*", "sys_dict", "IfState=1 and DictTypeId=14"); string strField = "CACCNUM as 账号账号,Loannumber as 借据号,BILLDATE as 借款时间,CAName as 借款人姓名,CPOSITION as 质押商品房位置,LoanAmount as 借款总额,"; ; i