This is a realization of the use of javascript tree tree. learning javascript helpful to a certain extent

ajax_treeview_src
.................\ajax_treeview_src11
.................\...................\AssemblyInfo.cs
.................\...................\Global.asax
.................\...................\Global.asax.cs
.................\...................\Global.asax.resx
.................\...................\img
.................\...................\...\folder_closed.gif
.................\...................\...\folder_open.gif
.................\...................\...\minus.gif
.................\...................\...\plus.gif
.................\...................\...\transparent.gif
.................\...................\Tree.cs
.................\...................\TreeFill.aspx
.................\...................\TreeFill.aspx.cs
.................\...................\TreeFill.aspx.resx
.................\...................\TreeTest.aspx
.................\...................\TreeTest.aspx.cs
.................\...................\TreeTest.aspx.resx
.................\...................\TreeToggle.js
.................\...................\TreeView.ascx
.................\...................\TreeView.ascx.cs
.................\...................\TreeView.ascx.resx
.................\...................\Web.config
.................\ajax_treeview_src20
.................\...................\App_Code
.................\...................\........\Tree.cs
.................\...................\App_Data
.................\...................\img
.................\...................\...\folder_closed.gif
.................\...................\...\folder_open.gif
.................\...................\...\minus.gif
.................\...................\...\plus.gif
.................\...................\...\transparent.gif
.................\...................\TreeFill.aspx
.................\...................\TreeFill.aspx.cs
.................\...................\TreeTest.aspx
.................\...................\TreeTest.aspx.cs
.................\...................\TreeToggle.js
.................\...................\TreeView.ascx
.................\...................\TreeView.ascx.cs
.................\...................\Web.Config

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