主题：[求助]SQLGroupTableBuilder不知道哪里出的问题？

Dim g As New SQLGroupTableBuilder("分组统计表","库存总表")
        g.C
Dim Cols1() As String = {"品名","规格","材质","零件号"}
Dim Cols2() As String = {"品名","规格","材质","零件号"}
Dim Cols3() As String = {"品名","规格","材质","零件号"}
g.AddTable("库存总表",Cols1,"入库表",Cols2,"出库表",Cols3)
        'Dim y As Integer = e.Form.Controls("ComboBox1").text '指定年份
        'Dim m As Integer = e.Form.Controls("ComboBox2").text '指定月份
        'Dim dt1 As New Date(y, m, 1)
        'Dim dt2 As New Date(y, m, Date.DaysInMonth(y,m)) '获取该月的最后一天
        g.Groups.AddDef("库存类别")
        g.Groups.AddDef("品名")
        g.Groups.AddDef("规格")
        g.Groups.AddDef("材质")
        g.Groups.AddDef("零件号")
        g.Groups.AddDef("国标")
        g.Groups.AddDef("炉号")
        g.Groups.AddDef("等级")
        g.Groups.AddDef("品牌")
        g.Groups.AddDef("储位")
        g.Totals.AddDef("入库数量")
        g.Totals.AddDef("出库数量")
        g.Totals.AddExp("库存数量","入库数量 - 出库数量")
        'g.Filter = "入库日期 >= #" & dt1 & "# And 入库日期 <= #" & dt2 & "#"
        'g.Filter = "出库日期 >= #" & dt1 & "# And 出库日期 <= #" & dt2 & "#"
        g.Filter = "入库日期 >= # 2013,5,1 # And 入库日期 <= # 2013,5,31 #"
        g.Filter = "出库日期 >= # 2013,5,1 # And 出库日期 <= # 2013,5,31 #"
        g.Build()

此主题相关图片如下：qq截图20130514093146.png

没弄明白哪里有问题，数据库里的表名也是对的呀~