动手生成 Delphi xe DBTreeview 三级行政图树 省市县

表结构及记录 object tarea: TFDQuery     Connection = FDConnection1     SQL.Strings = (       'select *'       'from tArea  order by fParentCode')     Left = 160     Top = 240   end  object tv: TTreeView    

>>阅读原文<<