public ActionResult Register(RegisterModel model)
        {
            if (ModelState.IsValid)
            {
                using (var context = new DatabaseEntities2())
                {
                    context.User.AddObject(
                        new User()
                        {
                            idUser = 1,
                            loginUser = model.UserName,
                            nameUser = model.UserName,
                            passwordUser = model.Password
                        }
                    );
                    context.SaveChanges();
                }

                return RedirectToAction("Index", "Home");
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }
        public ActionResult ChangePassword(ChangePasswordModel model)
        {
            if (ModelState.IsValid)
            {
                using (var context = new DatabaseEntities2())
                {
                    var user = Aplication.GetUser();
                    if(user.passwordUser == model.OldPassword)
                    {
                        user.passwordUser = model.NewPassword;
                        context.User.AddObject(user);// NÂO FUNCIONA
                        context.SaveChanges();
                        return RedirectToAction("ChangePasswordSuccess");
                    }
                    else
                        ModelState.AddModelError("", "The current password is incorrect or the new password is invalid.");
                }
            }

            // If we got this far, something failed, redisplay form
            return View(model);
        }