主题：多张表同时统计

代码很简单：

Dim b As New SQLGroupTableBuilder("统计表1","表A")
b.AddTable("表A","品类","表D","品类")
b.Groups.AddDef("{表A}.品类")
b.Totals.AddExp("数量","{表A}.数量 - {表D}.数量")
b.Build()
MainTable = Tables("统计表1")

参考这个：

http://www.foxtable.com/help/topics/1626.htm