统计报表 - 专家坐堂 - Foxtable(狐表) - 新一代数据库软件，完美融合Access、Foxpro、Excel、vb.net之优势，人人都能掌握的快速软件开发工具!

想得到下边表格式的结果，我的代码出错，请大师指点

Dim sql As String = "selec t 入库日期 As 日期,类别,库存编码,产品名称,规格,单位,商标,备注,入库数量,0 as 出库数量 fro m 入库明细 union selec t 出库日期 As 日期,类别,库存编码,产品名称,规格,单位,商标,备注,0 as 入库数量,出库数量 fro m 出库明细 "

Dim bd1 As New CrossTableBuilder("统计表1", sql, "fzsale")

Dim dt1 As fxDataSource

bd1.HGroups.AddDef("类别")

bd1.HGroups.AddDef("库存编码") '根据型号分组

bd1.HGroups.AddDef("产品名称")

bd1.HGroups.AddDef("规格")

bd1.HGroups.AddDef("单位")

bd1.HGroups.AddDef("商标")

bd1.HGroups.AddDef("备注")

bd1.VGroups.AddDef("日期", DateGroupEnum.Year, "{0}年")

bd1.VGroups.AddDef("日期", "{0}月")

bd1.Totals.AddDef("入库数量", "入库数量") '对数量进行统计

bd1.Totals.AddDef("出库数量", "出库数量") '对数量进行统计

dt1 = bd1.BuildDataSource()

Dim bd3 As New CrossTableBuilder("统计表2", DataTables("产品信息"))

bd3.C

Dim dt3 As fxDataSource

'bd3.HGroups.AddDef("类别")

bd3.HGroups.AddDef("库存编码") '根据型号分组

bd3.HGroups.AddDef("产品名称")

bd3.HGroups.AddDef("规格")

bd3.HGroups.AddDef("单位")

bd3.HGroups.AddDef("商标")

bd3.HGroups.AddDef("备注")

bd3.HGroups.AddDef("期初库存", "期初库存") '对数量进行统计

dt3 = bd3.BuildDataSource()

Dim nms As String() = { "库存编码", "产品名称", "规格", "单位", "商标", "备注"}

dt3.Combine(nms, dt1, nms)

Tables("库存信息_Table8").DataSource = dt3 '将统计结果绑定到Table

DataTables("入库明细").LoadFilter = ""

DataTables("入库明细").Load

DataTables("出库明细").loadFilter = ""

DataTables("出库明细").load

With DataTables("库存信息_Table8").DataCols '用表达式列计算库存数据

.Add("{0}月_库存数量", GetType(Integer), "IsNull([期初库存],0) + IsNull({0}月_[入库数量],0) - ISNULL({0}月_[出库数量],0)")

End With

主题：统计报表