// Fig. 22.24: ReservationClient.aspx.cs
// ReservationClient code behind file.
using System;

public partial class ReservationClient : System.Web.UI.Page
{
   // object of proxy type used to connect to ReservationService
   private ServiceReference.ReservationServiceClient ticketAgent =
      new ServiceReference.ReservationServiceClient();

   // attempt to reserve the selected type of seat
   protected void reserveButton_Click( object sender, EventArgs e )
   {
      // if the ticket is reserved
      if ( ticketAgent.Reserve( seatList.SelectedItem.Text,
         classList.SelectedItem.Text ) )
      {
         // hide other controls
         instructionsLabel.Visible = false;
         seatList.Visible = false;
         classList.Visible = false;
         reserveButton.Visible = false;
         errorLabel.Visible = false;

         // display message indicating success
         Response.Write( "Your reservation has been made. Thank you." );
      } // end if
      else // service method returned false, so signal failure
      {
         // display message in the initially blank errorLabel
         errorLabel.Text = "This type of seat is not available. " +
            "Please modify your request and try again.";
      } // end else
   } // end method reserveButton_Click   
} // end class ReservationClient

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