public ActionResult Index(tbl_Notes model, string clientCaptcha) { string serverCaptcha = Session["CAPTCHA"].ToString(); if (!clientCaptcha.Equals(serverCaptcha)) { ViewBag.ShowCAPTCHA = serverCaptcha; ViewBag.CaptchaError = "Wrong captcha !!!"; Session["CAPTCHA"] = GetRandomText(); return(View(model)); } model.ID = Guid.NewGuid(); //model.Content = model.Content.Replace(Environment.NewLine, "<br/>"); if (dao.AddNote(model)) { return(RedirectToAction("Index", new { id = model.ID })); } else { return(View()); } }