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[求助][推荐]  发帖心情 Post By:2022/3/25 22:28:00 [显示全部帖子]

老师,如截图,可以优化一下代码,使其下载资料后,将列partno相同,在同一个月内的的iquantity 相加,加到表 rdrecords11中。谢谢。

Dim cmd As New SQLCommand
Dim dt As DataTable
DataTables("rdrecords11").datarows.clear
cmd.C 
Dim Cols111() As String = {"cInvcode","iquantity","Dvdate"}
Dim Cols222() As String = {"PartNo","Qty","Date"}
cmd.CommandText ="Se/lect cInvcode,iquantity,dvdate From {rdrecords11} Where [dvDate] > = '" & e.Form.Controls("Datetimepicker1").Value & "' And [dvDate] < = '" & e.Form.Controls("Datetimepicker2").Value & "'"
dt = cmd.ExecuteReader()
For Each dr1 As DataRow In dt.DataRows
    Dim dr2 As DataRow = DataTables("rdrecords11").AddNew()
    For i As Integer = 0 To Cols111.Length -1
        dr2(Cols222(i)) = dr1(Cols111(i))
    Next
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