EasyUI绑定属性下拉框所需的数据格式

 string info = "[";
        public string Shu()
        {


            //var list = _menusService.LoadEntities(m => true);
            var listf = _menusService.LoadEntities(m => m.ParentMenusId == "0");
            foreach (var i in listf)
            {
                info += "{\"id\":\"" + i.MenusCode + "\",\"text\":\"" + i.MenuName + "\",";
                Shu2(i.MenusId);
                info = info.Substring(0, info.Length - 1);

                info += "},";
            }
            info = info.Substring(0, info.Length - 1);
            info += "]";
            return info;
           
        }

        public string Shu2(string menusId)
        {
            //子级集合
            var list = _menusService.LoadEntities(m => m.ParentMenusId == menusId);
            if (list == null)
            {
                //如果此节点没有子节点，直接给对象结束符
                info += "}";
            }