Dim drs As List(Of DataRow)drs = DataTables("订单").Select("[产品] = 'PD01' And [日期]= #1/4/1999#","数量 DESC")
Dim Products As List(Of String)Products = DataTables("产品").GetValues("产品名称")
为什么GetValues,Select使用的时候定义集合不用new?
单独定义集合: Dim Names As New List(Of String)