public ActionResult Create(VolunteerCreate model)
        {
            if (!ModelState.IsValid)
            {
                return(View(model));
            }

            var service = new VolunteerService();

            if (service.CreateVolunteer(model))
            {
                TempData["SaveResult"] = "Volunteer was created.";
                return(RedirectToAction("Index"));
            }
            ;

            ModelState.AddModelError("", "Volunteer could not be created");

            return(View(model));
        }