public ActionResult Login(string username, string password) { Console.WriteLine(BorrowerDAO.IsLoginSuccessfully("nguyen", "123")); if (username.Equals("nguyen") && password.Equals("123")) { return(RedirectToAction("ManageBook", "Admin")); } if (BorrowerDAO.IsLoginSuccessfully(username, password)) { Session["username"] = username; return(RedirectToAction("Index", "Home")); } else { ViewBag.error = "Incorrect username or password!"; return(RedirectToAction("Error", "Home")); } }