public ActionResult VerMP(int id) { ViewBag.Message = "Inbox"; Session["UserIDG"] = Session["UserIDG"]; Session["UserID"] = Session["UserID"]; Session["User"] = Session["User"]; MP mp = new MP(); mp = mp.getMPByID(id); User user = new User(); user = user.getUserID(mp.id_from); List <string> items = new List <string>(); items.Add(mp.title); items.Add(mp.date_send); items.Add(mp.msg); items.Add(user.name); ViewBag.Items = items; if (mp.check.Equals(1)) { return(View()); } String sql = "Update MP set check_read = '1' where id_message = '" + id + "'"; int retorno = 0; using (SqlConnection connection = BD.getConnection()) { SqlCommand Comando = new SqlCommand(string.Format(sql), connection); retorno = Comando.ExecuteNonQuery(); connection.Close(); } return(View()); }