command.Parameters.Add("@Sessionnum", MySqlDbType.Int32).Value = nextsessionnum;
                command.Parameters.Add("@Userid", MySqlDbType.Int32).Value = userid;
                command.Parameters.Add("@Usid", MySqlDbType.String).Value = usid;
                command.CommandText = "INSERT INTO sessions VALUES(@Sessionnum, @Userid, DATE_ADD(NOW(), INTERVAL 1 DAY), @Usid, true)";
                command.ExecuteNonQuery();