public ActionResult GravarAlteracao(Email email)
        {
            EmailDAO dao       = new EmailDAO();
            Email    novoEmail = dao.BuscaPorId(email.Id);

            novoEmail.NomeContato  = email.NomeContato;
            novoEmail.NomeId       = email.NomeId;
            novoEmail.EmailContato = email.EmailContato;

            dao.Atualiza(novoEmail);

            return(RedirectToAction("Menu", "Email"));
        }