public ActionResult GetGroupName(int id)
        {
            var msg = "";

            try
            {
                var model = _secretSantaBl.GroupEditModelByGroupId(id);
                return(PartialView("_GroupName", model));
            }
            catch (AppException ax)
            {
                msg = ax.Message;
            }
            catch (Exception ex)
            {
                ModelState.AddModelError("", ex.Message);
                _log.LogError(" - ", ex.Message);
            }
            return(PartialView("_ErrorMessage", new StringModel(msg)));
        }