Session session = new Session();
            try
            {
                session.Connect();
                XPQuery<dane> lista= session.Query<dane>();

                var pytanie= (from l in lista
                            select l).ToList();

                return pytanie;
            }
            catch (Exception ex)
            {

                messagebox.show(ex);
            }
            finally
            {
                if (session.IsConnected)
                {
                    session.Disconnect();
                    session = null;
                }
            }