Dim g As New sqlGroupTableBuilder("统计表1", "会员表")
g.Groups.AddExp("年月","format(注册日期, \'yyyyMM\')")
g.Totals.AddDef("联系电话", AggregateEnum.Count)
g.filter = "注册日期 is not null"
g.Build()
MainTable = Tables("统计表1")
\'____________________________
Dim Chart As WinForm.Chart \'定义一个图表变量
Dim Series As WinForm.ChartSeries \'定义一个图系变量
Dim t As Table = Tables("统计表1") \'定义一个变量t引用数据表

Chart= Forms("新增会员").Controls("Chart1") \' 引用窗口中的图表
Chart.ChartType = ChartTypeEnum.Bar \'图表类型该为Bar(条形)
Chart.DataSource = "统计表1" \'设置绑定表
Chart.SeriesList.Clear() \'清除图表原来的图系
Chart.AxisY.Min = 0
Series = Chart.SeriesList.Add() \'增加一个图系
Series.X.DataField = "年月" \'X轴绑定到产品列
Series.Y.DataField = "联系电话" \'Y轴绑定到数量列
Series.DataLabelText = "{#YVAL}"
\'___________________________________________________