例如在订单表中,我们希望将光标定位到最后一次订购PD01产品的订单:
Dim dr As DataRowdr = DataTables("订单").Find("[产品] = 'PD01'", "日期 Desc")If dr IsNot Nothing Then Dim wz As Integer = Tables("订单").FindRow(dr) If wz >= 0 Then Tables("订单").Position = wz End IfEnd If
你这个条件改为 ("[年] isnot null","_identify desc")