Tables("统计_Table1").StopRedraw
Dim bd1 As New GroupTableBuilder("统计表1",DataTables("进货"))
Dim dt1 As fxDataSource
bd1.Groups.AddDef("型号") \'根据型号分组
bd1.Totals.AddDef("进货_数量") \'对数量进行统计
bd1.Totals.AddDef("进货_金额") \'对金额进行统计
dt1 = bd1.BuildDataSource()

Dim bd2 As New GroupTableBuilder("统计表2",DataTables("销售"))
Dim dt2  As fxDataSource
bd2.Groups.AddDef("型号") \'根据型号分组
bd2.Totals.AddDef("销售_数量") \'对数量进行统计
bd2.Totals.AddDef("销售_金额") \'对金额进行统计
dt2 = bd2.BuildDataSource()

Dim bd3 As New GroupTableBuilder("统计表3",DataTables("退货"))
Dim dt3 As fxDataSource
bd3.Groups.AddDef("型号") \'根据型号分组
bd3.Totals.AddDef("退货_数量") \'对数量进行统计
bd3.Totals.AddDef("退货_金额") \'对金额进行统计
dt3 = bd3.BuildDataSource()

dt1.Combine("型号",dt2,"型号") \'将销售统计数据组合到进货统计数据
dt1.Combine("型号",dt3,"型号") \'将退货统计数据组合到进货统计数据
Tables("统计_Table1").DataSource = dt1
With DataTables("统计_Table1").DataCols  \'用表达式列计算库存数据
    .Add("调整_数量",Gettype(Double), "")
End With

Tables("统计_Table1").ResumeRedraw

此主题相关图片如下：888.png

要实现 型号=NB-XG118,调整_数量 = 进货_数量 * 0.8

其它型号 调整_数量 = 进货_数量 * 1

不会,求助,谢谢.

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点击浏览该文件:组合统计结果.table

Tables("统计_Table1").StopRedraw
Dim bd1 As New GroupTableBuilder("统计表1",DataTables("进货"))
Dim dt1 As fxDataSource
bd1.Groups.AddDef("型号") \'根据型号分组
bd1.Totals.AddDef("进货_数量") \'对数量进行统计
bd1.Totals.AddDef("进货_金额") \'对金额进行统计
dt1 = bd1.BuildDataSource()

Dim bd2 As New GroupTableBuilder("统计表2",DataTables("销售"))
Dim dt2  As fxDataSource
bd2.Groups.AddDef("型号") \'根据型号分组
bd2.Totals.AddDef("销售_数量") \'对数量进行统计
bd2.Totals.AddDef("销售_金额") \'对金额进行统计
dt2 = bd2.BuildDataSource()

Dim bd3 As New GroupTableBuilder("统计表3",DataTables("退货"))
Dim dt3 As fxDataSource
bd3.Groups.AddDef("型号") \'根据型号分组
bd3.Totals.AddDef("退货_数量") \'对数量进行统计
bd3.Totals.AddDef("退货_金额") \'对金额进行统计
dt3 = bd3.BuildDataSource()

dt1.Combine("型号",dt2,"型号") \'将销售统计数据组合到进货统计数据
dt1.Combine("型号",dt3,"型号") \'将退货统计数据组合到进货统计数据
Tables("统计_Table1").DataSource = dt1
With DataTables("统计_Table1").DataCols  \'用表达式列计算库存数据
    .Add("调整_数量",Gettype(Double), "")
End With
For Each r As Row In Tables("统计_Table1").Rows
    If r("型号") = "NB-XG118" Then
        r("调整_数量") = r("进货_数量") * 0.8
    Else
        r("调整_数量") = r("进货_数量")
    End If
Next
Tables("统计_Table1").ResumeRedraw

For Each r As Row In Tables("统计_Table1").Rows
这句我写对了,后面的不会

再次谢谢大红袍大神!