protected void Button1_Click(object sender, EventArgs e)
 {
     try
     {
         CarRentelService.HelloServiceClient client = new CarRentelService.HelloServiceClient("BasicHttpBinding_IHelloService");
         CarRentelService.Car car = new CarRentelService.Car();
         car.RegistrationNumber = txtRegNo.Text;
         car.Brand      = txtBrand.Text;
         car.Mark       = txtMark.Text;
         car.Year       = Convert.ToInt32(txtYear.Text);
         car.IsReturned = Convert.ToBoolean(chkReturned.Checked);
         client.AddCar(car);
     }
     catch (Exception ex)
     {
         txtBrand.Text = "Failed to connect to service, try again!";
     }
 }
        protected void btnSaveCar_Click(object sender, EventArgs e)
        {
            try
            {
                CarRentelService.HelloServiceClient client = new CarRentelService.HelloServiceClient("BasicHttpBinding_IHelloService");

                CarRentelService.Car car = client.GetCarById(Convert.ToInt32(txtId.Text));
                txtRegNo.Text       = car.RegistrationNumber;
                txtBrand.Text       = car.Brand;
                txtMark.Text        = car.Mark;
                txtYear.Text        = car.Year.ToString();
                chkReturned.Checked = car.IsReturned;
            }
            catch (Exception ex)
            {
                txtBrand.Text = "Failed to connect to service, try again!";
            }
        }