Y yptang Unregistered / Unconfirmed GUEST, unregistred user! 2002-08-07 #1 类选取功能?数据表怎么样设计？以6位分3层表示如国标地区代码、专业代码与会计科目类似
M MikeZ Unregistered / Unconfirmed GUEST, unregistred user! 2002-09-03 #2 database design: code varchar(6), level int, leaf boolean, parent varchar(6) name varchar(...) ComboBox.Items.Add(StringOfChar('.', 2*level) + code + name)
database design: code varchar(6), level int, leaf boolean, parent varchar(6) name varchar(...) ComboBox.Items.Add(StringOfChar('.', 2*level) + code + name)
