Dim dtb As New DataTableBuilder("统计")
dtb.AddDef("年月", Gettype(String),16)
dtb.AddDef("业务员", Gettype(String), 16)
dtb.AddDef("金额", Gettype(Double))
dtb.Build()
For Each nm As String In DataTables("订单明细").GetValues("年月")
Dim dr As DataRow = DataTables("统计").AddNew()
dr("年月") = nm
dr("金额") = DataTables("订单明细").Compute("max(金额)","年月 = '" & dr("年月") & "'")
Dim pr As DataRow = DataTables("订单明细").Find("年月 = '" & dr("年月") & "' and 金额 = '" & dr("金额") & "'")
dr("业务员") = pr("业务员")
Next
Tables("窗口1_Table1").DataSource = DataTables("统计")