gistfile1.cs

        [AcceptVerbs(HttpVerbs.Post)]
        public ViewResult Register(Member member, PasswordEntryForm password_entry)
        {
            Validate(member);
            Validate(password_entry);

            if (ModelState.IsValid) {
                registrationService.RegisterCandidate(member, password_entry.Password);
                ControllerContext.HttpContext.Session["candidate_username"] = member.Username;
                
                var view = Locate(member.Type);
                return View(view, new MemberEntryForm {Member = member});
            }

            return View(new MemberEntryForm {Member = member});
        }