public static string showFlights(string username, string departure, string destination, string date) { string html = "<tr><td>Flight Name</td><th></th></tr>"; utils.DbUtils dbUtils = new utils.DbUtils(); List <String> flights = dbUtils.selectFlights(departure, destination, date); for (int i = 0; i < flights.Count; i++) { html += "<tr><td>" + flights[i] + "</td>" + "<td onclick =\"rezerveFlight('" + username + "','" + flights[i] + "')\">Rezerve</td></tr>"; } HttpContext.Current.Session["date"] = date; HttpContext.Current.Session["city"] = destination; System.Diagnostics.Debug.Write(HttpContext.Current.Session["city"]); return(html); }