这主要是一个Dll文件引用就可以读出树， 它和数据库的代码和页面的代码是完全分开的只要你那想用树控件就可以引用这个dll就行啦具体到你的项目的具体分析啦-This is mainly a Dll file references can read the tree, it and the database code and page code is completely separate if you want to use the