专家坐堂-分组统计能统计出上月出库金额和出库数量吗？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!

Dim g As New GroupTableBuilder("统计表1", DataTables("入库明细"))

Dim dt1 As fxDataSource

g.Groups.AddDef("入库日期", DateGroupEnum.Year, "年")

g.Groups.AddDef("入库日期", "月")

g.Groups.AddDef("商品名称")

g.Totals.AddDef("入库数量", "", "本月入库_数量")

g.Totals.AddDef("入库金额", "", "本月入库_金额")

dt1 = g.BuildDataSource()

Dim g1 As New GroupTableBuilder("统计表2",DataTables("出库明细"))

Dim dt2 As fxDataSource

g1.Groups.AddDef("出库日期", DateGroupEnum.Year, "年")

g1.Groups.AddDef("出库日期", "月")

g1.Groups.AddDef("商品名称")

g1.Totals.AddDef("出库数量", "", "本月出库_数量")

g1.Totals.AddDef("出库金额", "", "本月出库_金额")

dt2 = g1.BuildDataSource()

Dim nms As String() = {"年","月","商品名称"} \'指定连接列

dt1.Combine(nms,dt2,nms) \'将销售统计数据组合到进货统计数据

Tables("出入库月统计_月汇总").DataSource = dt1 \'将统计结果绑定到Table