public ActionResult ConfirmAuth() { string login; string pass; if (Request.QueryString.AllKeys.Length == 2 && Request.QueryString.AllKeys.Contains("login") && Request.QueryString.AllKeys.Contains("pass")) { login = Request.QueryString["login"]; pass = Request.QueryString["pass"].Replace(' ', '+'); var user = dataHelper.ConfirmAuth(login, pass); if (user != null) { logger.InfoMessage("102", $"User {login} has confirmed email registration"); return(View(user)); } return(View("Error")); } return(View("Error")); }