一个客户系统,VB+SQL,其中有客户类型分类，树型结构Treeview以及控件Listview的使用-a client system, VB SQL, which type of customer, Treeview tree structure and the use of controls LIST

树形结构导航代码 C#用Treeview控件制作树形菜单的导航界面 -Tree structure navigation code in C# Treeview Control to create tree menu navigation interface