private void purchaseButton_Click(object sender, EventArgs e)
{
string item = itemTextBox.Text;
int quantity = int.Parse(quantityTextBox.Text);
using (var service = new ChannelFactory <IShopKeeper>(binding, address))
{
IShopKeeper client = service.CreateChannel();
ItemInfo info = client.GetItemInfo(item);
if (info == null)
{
paymentTextBox.Text = "item not sold!";
}
else if (quantity > info.CurrentStock)
{
paymentTextBox.Text = "item not in stock!";
}
else
{
float discount = client.GetBulkDiscount(quantity);
double payment = quantity * info.UnitPrice * (1 - discount / 100);
paymentTextBox.Text = payment.ToString("0.00");
}
}
}
public MainWindow()
{
InitializeComponent();
ChannelFactory <IShopKeeper> service = new ChannelFactory <IShopKeeper>("ShopKeeperTcp");
client = service.CreateChannel();
}