/// <summary>
/// Handles the Click event of the btnCoupon control.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The <see cref="T:System.EventArgs"/> instance containing the event data.</param>
protected void btnCoupon_Click(object sender, EventArgs e)
{
if (!string.IsNullOrEmpty(txtCouponCode.Text))
{
CouponService couponService = new CouponService();
couponService.ApplyCoupon(txtCouponCode.Text, order);
lblCouponInformationDisplay.Text = StoreUtility.GetFormattedAmount(order.DiscountAmount, true);
ReloadOrder();
}
else
{
foreach (OrderItem orderItem in order.OrderItemCollection)
{
orderItem.DiscountAmount = 0.00M;
orderItem.Save("CouponService");
}
lblCouponInformationDisplay.Text = StoreUtility.GetFormattedAmount(0.00M, true);
}
//re-calculate the tax
OrderController.CalculateTax(WebUtility.GetUserName());
//reload the order
orderSummary.Order = new OrderController().FetchOrder(WebUtility.GetUserName());
orderSummary.LoadOrder();
acCheckout.SelectedIndex = acCheckout.SelectedIndex + 1;
SetProcessOrderEnablement();
}