以文本方式查看主题 - Foxtable(狐表) (http://foxtable.com/bbs/index.asp) -- 专家坐堂 (http://foxtable.com/bbs/list.asp?boardid=2) ---- 数据追加有无更快的办法 (http://foxtable.com/bbs/dispbbs.asp?boardid=2&id=102267) |
-- 作者:HJG_HB950207 -- 发布时间:2017/6/16 13:39:00 -- 数据追加有无更快的办法 A表有若干列,B表的列只有A表的部分列,将B表的全部记录追加到A表中 Dim nma() As String = {。。。。} Dim nmb() As String = {。。。。。} For J As Integer = 0 To Tables("表b").Rows.Count-1 Tables("表B").Position=J Dim dr As DataRow = DataTables("表A").AddNew For i As Integer = 0 To nma.Length - 1 dr(nmb(i)) = Tables("表B").Current(nma(i)) Next Next 采用以上代码,较慢,1万条记录要等好长时间,请教有无其他更快办法? 谢谢老师!
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-- 作者:有点色 -- 发布时间:2017/6/16 14:12:00 -- Dim nma() As String Dim nmb() As String Systemready = False For Each r As Row In Tables("表B").Rows Dim dr As DataRow = DataTables("表A").AddNew For i As Integer = 0 To nma.Length - 1 dr(nmb(i)) = r(nma(i)) Next Next Systemready = True |