public PartialViewResult ConfirmarDevolucao(Guid Id)
        {
            Midia           midia           = (Midia)Session["Midia"];
            MidiaEmprestada midiaEmprestada = midia.Emprestimos.Where(m => m.ID == Id).FirstOrDefault();

            return(PartialView(midiaEmprestada));
        }
        public ActionResult ConfirmarDevolucao(MidiaEmprestada midiaEmprestada)
        {
            Midia midia = (Midia)Session["Midia"];

            midia.DevolverMidia(midiaEmprestada.ID);

            repositorioMidia.Salvar(midia);

            return(RedirectToAction("Index"));
        }