ASP.NET框架获取数据字典数据做成树的格式

     private List<TreeEntity> treeList = new List<TreeEntity>();//创建一个树的List集合
     public ActionResult GetTree1Json(string id)
        { 
            var root = new DataItemBLL().GetEntity(id);//树的根节点
            TreeEntity tree = new TreeEntity();//创建一个树的实体对象
            tree.id = root.ItemId;//根节点树的ID
            tree.text = root.ItemName;//根节点要在前端显示的内容
            tree.value = root.ItemCode;//根节点的值
            tree.isexpand = true;//是否需要展开
            tree.complete = true;
            tree.hasChildren = true;//是否还有子节点
            tree.parentId = "0";//根节点的父ID必须为0才会显示
            treeList.Add(tree);//把树放到树的List集合里面去
            set(id);
            void set(string ia) {//以此类推
                var datalist = messagesendbll.GetDataList(ia);
                foreach (DataItemEntity die in datalist)
                {
                    tree = new TreeEntity();
                    tree.id = die.ItemId;
                    tree.text = die.ItemName;
                    tree.showcheck = true;
                    tree.isexpand = false;
                    tree.complete = true;
                    tree.hasChildren = true;
                    tree.parentId = die.ParentId;
                    treeList.Add(tree);
                    var de4 = messagesendbll.GetDataItemList(die.ItemId);
                    foreach (DataItemDetailEntity dde in de4)
                    {
                        TreeEntity tree4 = new TreeEntity();
                        tree4.id = dde.ItemDetailId;
                        tree4.text = dde.ItemName;
                        tree4.value = dde.ItemCode;
                        tree4.Attribute = "score";
                        tree.AttributeValue = dde.ItemCode;
                        tree4.showcheck = true;
                        tree4.isexpand = false;
                        tree4.complete = true;
                        tree4.parentId = dde.ItemId;
                        treeList.Add(tree4);
                    }
                    set(die.ItemId);
                }
              
            }
            return Content(treeList.TreeToJson()); 
           
        } 

　　前端js代码：

  //初始化数据
    function initControl() {
        var item = {
            showcheck: true,
            url: "../../SPManage/SP_WConsult/GetTree1Json",
        };
       
        $("div").treeview(item);
    }