public ActionResult TreeLoadChildren(int?id = null, string searchName = "")
        {
            var codes = _codeService.GetAllCodesByParentId(id)
                        .Select(x => new
            {
                id          = x.Id,
                Name        = x.Name,
                hasChildren = _codeService.GetAllCodesByParentId(x.Id).Count > 0,
                imageUrl    = Url.Content("~/Content/images/ico-cube.png")
            });

            return(Json(codes));
        }