public string Index(string loginData) { LoginViewModel loginView = JsonConvert.DeserializeObject <LoginViewModel>(loginData); Login login = db.GetLogin(loginView.Login); if (login != null) { if (login.Password == PasswordManager.GetMd5Hash(loginView.Password)) { return(JsonConvert.SerializeObject(new { id = login.Person.ID_Person, status = login.Person.Status })); } } return(JsonConvert.SerializeObject(new { id = -1, status = "NoOne" })); }