public ActionResult CreateUser(CreateUserViewModel createUserViewModel)
        {
            if (!ModelState.IsValid)
                return View(createUserViewModel);

            try
            {
                if(createUserViewModel.Password != createUserViewModel.ConfirmPassword)
                    throw new MembershipCreateUserException("Passwords do not match.");

                var user = _userService.Create(
                    createUserViewModel.Username,
                    createUserViewModel.Password,
                    createUserViewModel.Email,
                    createUserViewModel.PasswordQuestion,
                    createUserViewModel.PasswordAnswer,
                    true);

                if (createUserViewModel.InitialRoles != null)
                {
                    var rolesToAddUserTo = createUserViewModel.InitialRoles.Where(x => x.Value).Select(x => x.Key);
                    foreach (var role in rolesToAddUserTo)
                        _rolesService.AddToRole(user, role);
                }

                return RedirectToAction("Details", new { id = user.ProviderUserKey });
            }
            catch (MembershipCreateUserException e)
            {
                ModelState.AddModelError(string.Empty, e.Message);
                return View(createUserViewModel);
            }
        }
 public ViewResult CreateUser()
 {
     var model = new CreateUserViewModel
                     {
                         InitialRoles = _rolesService.FindAll().ToDictionary(k => k, v => false)
                     };
     return View(model);
 }