Bind the ext tree to the local file directory

        public ActionResult GetTreeData()        {            DirectoryInfo dir = new DirectoryInfo("d://");           Dir dirList = GetTreeJson(dir);           string json = Newtonsoft.Json.JsonConvert.SerializeObject(dirList.children);           return Content(json);        }        private Dir GetTreeJson(DirectoryInfo dir)        {            Dir dirc = new Dir();            dirc.text = dir.Name;            dirc.leaf = false;            List<Dir> listDir = new List<Dir>();            dirc.children = listDir;            FileSystemInfo[] allFile = dir.GetFileSystemInfos();            foreach (FileSystemInfo fi in allFile)            {                Dir d = new Dir();                d.text = fi.Name;                if (fi.Attributes == FileAttributes.Directory)                {                    d.leaf = false;                   listDir.Add(GetTreeJson((DirectoryInfo)fi));                }                else                {                    d.leaf = true;                    listDir.Add(d);                }            }            return dirc;        }

 

    public class Dir    {        public string text { get; set; }        public bool leaf { get; set; }        public List<Dir> children { get; set; }    }

 

VaR treeservice = new Ext. tree. treepanel ({Title: 'treepanelservice', root: {text: 'root', expanded: true}, loader: New Ext. tree. treeloader ({URL: '/home/gettreedata'}); // single table var form = new Ext. form. formpanel ({frame: True, Title: 'form title', style: 'margin: 10px ', items: [treelocal, treeservice], buttons: [{text: 'retrieve selected item', Handler: function () {selectnode = treelocal. getselectionmodel (). getselectedn Ode (); alert ('treepanellocal: '+ (selectnode = NULL? Treelocal. root. text: selectnode. text) ;}}]}); var win = new Ext. window ({Title: 'window', width: 476, height: 574, resizable: True, modal: True, closable: True, maximizable: True, minimizable: True, items: form}); win. show ();

 

Bind the ext tree to the local file directory