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"); } } }
private void purchaseButton_Click(object sender, RoutedEventArgs e) { ItemInfo info = client.GetItemInfo(itemTextBox.Text); if (info == null) { paymentTextBox.Text = "N/A - Item not found"; } else { int q = Convert.ToInt32(quantityTextBox.Text); if (q > info.CurrentStock) { paymentTextBox.Text = "N/A - Out of stock"; } else { double p = info.UnitPrice; float r = client.GetBulkDiscount(q); double payment = p * q * (1 - r / 100); paymentTextBox.Text = payment.ToString("0.00"); } } }