public IActionResult ListHistory(int id)
        {
            var ageGroups = _ageGroupDao.GetAll();
            var eventList = _eventDao.GetByVolunteer(id);

            foreach (var anEvent in eventList)
            {
                anEvent.ageGroup = ageGroups.Single(a => a.id == anEvent.ageGroupId);
            }
            ViewBag.Status = "";
            return(View(eventList));
        }