主题：编制报表

以下黄色代码怎么修改

Dim tb As Table = CurrentTable
msgbox(tb.name & "报表打印")
Dim dtb As New DataTableBuilder("& tb.name & "报表打印"")
dtb.AddDef("字段名", Gettype(String), 255)
dtb.AddDef("是否打印", Gettype(Boolean))
dtb.AddDef("宽度", Gettype(Integer))
dtb.AddDef("顺序", Gettype(Integer))
dtb.Build()
MainTable= Tables(tb.name & "报表打印")