主题：组合统计表、查询表的方法哪些

Dim b As New GroupTableBuilder("统计表1",DataTables("表B"))
Dim dt1 As fxDataSource

b.Groups.AddDef("产品编号") '根据产品分组
b.Totals.AddDef("产品数量",AggregateEnum.Sum,"产品数量") 
b.Totals.AddDef("产品销售金额",AggregateEnum.Sum,"产品销售金额汇总")

dt1 = b.BuildDataSource()

Dim b2 As New GroupTableBuilder("统计表1",DataTables("表A"))
Dim dt2 As fxDataSource

b2.Groups.AddDef("产品编号") '根据产品分组
b2.Totals.AddDef("产品数量",AggregateEnum.Sum,"产品数量") 
b2.Totals.AddDef("产品销售金额",AggregateEnum.Sum,"产品销售金额汇总")

dt2= b.BuildDataSource()

dt1.Combine("产品编号",dt2,"产品编号")