其实很简单:
Dim drs As List(of DataRow) = DataTables("订单").Select("","金额 Desc")output.show("金额最大值:" & drs(0)("金额"))output.show("金额次大值:" & drs(1)("金额"))output.show("金额最小值:" & drs(drs.count-1)("金额"))