c# 格式化easyui tree

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?public ActionResult Index()
??????? {
??????????? CRMEntities db = new CRMEntities();
??????????? EasyUIJsonTree root = new EasyUIJsonTree()
??????????? {
??????????????? text = "菜单根节点"
??????????? };
??????????? IList<Trees> list = db.Trees.ToList();
??????????? if (list != null && list.Count > 0)
??????????? {
?????????????? b.GetTree(root,list);
??????????? }
??????????? return Json(root,JsonRequestBehavior.AllowGet);
??????????? //return JsonResult(new { root });
??????????? // Response.Write(JsonConvert.SerializeObject(new EasyUIJsonTree[] { root }));
??????? }

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public class b
??? {

　　?public static void GetTree(EasyUIJsonTree parent,IList<Trees> list,int? parentID = 0)??????? {??????????? var query = list.Where(m => m.pid == parentID);??????????? if (query.Any())??????????? {??????????????? if (parent.children == null)??????????????? {??????????????????? parent.children = new List<EasyUIJsonTree>();??????????????? }??????????????? foreach (Trees mv in query)??????????????? {??????????????????? EasyUIJsonTree child = new EasyUIJsonTree()??????????????????? {??????????????????????? id = mv.id.ToString(),??????????????????????? text = mv.text,??????????????????????? //attributes = new { Url = mv.Url }??????????????????? };??????????????????? parent.children.Add(child);??????????????????? b.GetTree(child,list,mv.id);??????????????? }??????????? }??????? }??? }??? public class EasyUIJsonTree??? {??????? public string id { get; set; }??????? public string text { get; set; }??????? //public string iconCls { get; set; }??????? public IList<EasyUIJsonTree> children { get; set; }??????? public object attributes { get; set; }??? }