protected void cancelSession_Click(object sender, EventArgs e)
        {
            string arrivalTime = "1900-01-01 00:00:00";

            SessionServiceReference.Session session = new SessionServiceReference.Session();
            session = sessionService.getSession(sessionId);
            sessionService.updateSession(sessionId, session.CargoId, Convert.ToString(session.DepartureTime), arrivalTime, session.TruckId, session.DestAddress, session.DestCity);
            orderService.cancelOrder(sessionId);

            Response.Redirect("~/Views/Manager/Sessions.aspx");
        }
        protected void updateBtn_Click(object sender, EventArgs e)
        {
            string destinationCity    = Convert.ToString(this.destCityTxt.Text);
            string destinationAddress = Convert.ToString(this.destAddTxt.Text);
            string departureTime      = Convert.ToString(this.depTimeTxt.Text);
            string arrivalTime        = Convert.ToString(this.arrTimeTxt.Text);

            SessionServiceReference.Session session = new SessionServiceReference.Session();
            session = sessionService.getSession(sessionId);
            sessionService.updateSession(sessionId, session.CargoId, departureTime, arrivalTime, session.TruckId, destinationAddress, destinationCity);

            Response.Redirect("~/Views/Manager/Sessions.aspx");
        }