Dim g As New GroupTableBuilder("统计表2", DataTables("表C"))
g.Groups.AddDef("部门")
g.Totals.AddDef("姓名", AggregateEnum.Count,"人数")
g.Totals.AddDef("年龄", AggregateEnum.Average,"平均")
g.VerticalTotal = True
g.Build()
MainTable = Tables("统计表2")
Dim r As Row = Tables("统计表2").Rows(Tables("统计表2").Rows.Count(True) - 1)
r("平均") = Tables("表C").Compute("Avg(年龄)")