主题：[求助]如何按当前值进行组合统计，并把结果导入库存表及导出外部文件？

 老师，测试后，在中间出现一行空白数据，

 还有把“进货单”和销售单，退货单，库存统计表，都增加那个字段“物料号”，“品名”，进行统计，运行报错“列，品名，不属表“

重新贴出改后的代码，或者上传实例

 Dim Filter As String = "型号 is not null"
Dim bd1 As New GroupTableBuilder("统计表1",DataTables("进货单"))
Dim dt1 As fxDataSource
bd1.Groups.AddDef("型号") '根据型号分组
bd1.Totals.AddDef("数量","进货_数量") '对数量进行统计
bd1.Totals.AddDef("金额","进货_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "进货日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "进货日期 <= #" & .Value & "#"
    End If
End With
bd1.Filter = Filter
dt1 = bd1.BuildDataSource()

Dim bd2 As New GroupTableBuilder("统计表2",DataTables("销售单"))
Dim dt2  As fxDataSource
bd2.Groups.AddDef("型号") '根据型号分组
bd2.Totals.AddDef("数量","销售_数量") '对数量进行统计
bd2.Totals.AddDef("金额","销售_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "销售日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "销售日期 <= #" & .Value & "#"
    End If
End With
dt2 = bd2.BuildDataSource()

Dim bd3 As New GroupTableBuilder("统计表3",DataTables("退货单"))
Dim dt3 As fxDataSource
bd3.Groups.AddDef("型号") '根据型号分组
bd3.Totals.AddDef("数量","退货_数量") '对数量进行统计
bd3.Totals.AddDef("金额","退货_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "退货日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "退货日期 <= #" & .Value & "#"
    End If
End With
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("库存统计_Table1").DataSource = dt1 '将统计结果绑定到Table
With DataTables("库存统计_Table1").DataCols  '用表达式列计算库存数据
    .Add("库存_数量",Gettype(Integer), "IsNull([进货_数量],0) - ISNULL([销售_数量],0) - ISNULL([退货_数量],0)")
    .Add("库存_金额",Gettype(Double), "[库存_数量] /[进货_数量] * [进货_金额]")
End With

Dim bd1 As New GroupTableBuilder("统计表1",DataTables("采购单"))
Dim dt1 As fxDataSource
bd1.Groups.AddDef("物料号") '根据型号分组
bd1.Groups.AddDef("品名") '根据型号分组
bd1.Groups.AddDef("型号") '根据型号分组
bd1.Totals.AddDef("数量","进货_数量") '对数量进行统计
bd1.Totals.AddDef("金额","进货_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "进货日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "进货日期 <= #" & .Value & "#"
    End If
End With
bd1.Filter = Filter
dt1 = bd1.BuildDataSource()

Dim bd2 As New GroupTableBuilder("统计表2",DataTables("出货单"))
Dim dt2  As fxDataSource
bd2.Groups.AddDef("物料号") '根据型号分组
bd2.Groups.AddDef("品名") '根据型号分组
bd2.Groups.AddDef("型号") '根据型号分组
bd2.Totals.AddDef("数量","销售_数量") '对数量进行统计
bd2.Totals.AddDef("金额","销售_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "销售日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "销售日期 <= #" & .Value & "#"
    End If
End With
dt2 = bd2.BuildDataSource()

Dim bd3 As New GroupTableBuilder("统计表3",DataTables("退货表"))
Dim dt3 As fxDataSource
bd3.Groups.AddDef("物料号") '根据型号分组
bd3.Groups.AddDef("品名") '根据型号分组
bd3.Groups.AddDef("型号") '根据型号分组
bd3.Totals.AddDef("数量","退货_数量") '对数量进行统计
bd3.Totals.AddDef("金额","退货_金额") '对金额进行统计
With e.Form.Controls("StartDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "退货日期 >= #" & .Value & "#"
    End If
End With
With e.Form.Controls("EndDate")
    If .Value IsNot Nothing Then
        If Filter >"" Then
            Filter = Filter & " And "
        End If
        Filter = Filter & "退货日期 <= #" & .Value & "#"
    End If
End With
dt3 = bd3.BuildDataSource()
dt1.Combine("物料号",dt2,"物料号") '将销售统计数据组合到进货统计数据
dt1.Combine("品名",dt2,"品名") '将销售统计数据组合到进货统计数据
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("物料号",dt3,"物料号") '将销售统计数据组合到进货统计数据
dt1.Combine("品名",dt3,"品名") '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("库存统计_Table1").DataSource = dt1 '将统计结果绑定到Table
With DataTables("库存统计_Table1").DataCols  '用表达式列计算库存数据
    .Add("库存_数量",Gettype(Integer), "IsNull([进货_数量],0) - ISNULL([销售_数量],0) - ISNULL([退货_数量],0)")
    .Add("库存_金额",Gettype(Double), "[库存_数量] /[进货_数量] * [进货_金额]")
End With

下载信息  [文件大小：   下载次数： ]

点击浏览该文件:多列库存统计 .table

 老师，测试，报错：进货日期不是列，再单击，显示只有进货，销售，退货都没统计

bd2.Filter = Filter.replace("进货日期","销售日期")

经测试，报错：

写了什么代码，做了什么操作？