public static string showConferences(string username, string date, string city) { System.Diagnostics.Debug.Write(date); System.Diagnostics.Debug.Write(username); System.Diagnostics.Debug.Write(city); string html = "<tr><td>Conference Name</td><th></th></tr>"; utils.DbUtils dbUtils = new utils.DbUtils(); List <String> confs = dbUtils.selectConferences(date, city); for (int i = 0; i < confs.Count; i++) { html += "<tr><td>" + confs[i] + "</td>" + "<td onclick =\"rezerveConference('" + username + "','" + confs[i] + "')\">Register</td></tr>"; } return(html); }