public IActionResult Dashboard(Message message)
        {
            int user_id = (int)HttpContext.Session.GetInt32("UserId");

            Console.WriteLine("dashboard post user_id = " + user_id);

            if (ModelState.IsValid)
            {
                _dbConnector.CreateMessage(message.MessageText, user_id);
                return(RedirectToAction("Dashboard"));
            }
            ViewBag.error = "Please correct errors and resubmit.";
            return(View("Dashboard", message));
        }