public IActionResult Register(string username, string password, string repassword) { if (!password.Equals(repassword)) { return(ControllerRedirect("register")); } var viewerDaoManager = new ViewerDaoManager(_context); var(viewer, error) = viewerDaoManager.Register(username, password); if (error != null) { ErrorHelper.SetFormError(HttpContext, error); return(ControllerRedirect("register")); } return(ControllerRedirect("login")); }