public IActionResult Confirm(long eventId, long user, int tZOS, int lang = 1)
        {
            bool   confirmed  = ScheduleDB.Confirm(eventId, user, tZOS, lang, GetConfiguration().GetConnectionString(DEFAULT_CONNECTION));
            string jsFunction = "greet(\"Meeting confirmed!\");";

            if (!confirmed)
            {
                jsFunction = "warn(\"Meeting could not be confirmed! please contact our staff. Thank you\");";
            }
            TempData["JavaScriptFunction"] = jsFunction;
            return(RedirectToAction("Index", "Home"));
        }