public IActionResult CreateUpdateEventAgeRestrictionPost(AgeSystemCreateUpdateViewModel viewmodel)
        {
            if (string.IsNullOrWhiteSpace(viewmodel.Name))
            {
                viewmodel.ErrorMessage = "שם קבוצת גיל ריק";
                return(CreateUpdateEventAgeRestriction(viewmodel));
            }

            var answer = Gateway.AddOrUpdateAgeRestriction(viewmodel);

            if (answer.AnswerType != AnswerType.Success)
            {
                viewmodel.ErrorMessage = answer.Message;
                return(CreateUpdateEventAgeRestriction(viewmodel));
            }

            return(RedirectToAction("Manage", new
            {
                tab = "settings"
            }));
        }