public void PaymentMethodChanged(string paymentMethodCode)
{
Assert.ArgumentNotNullOrEmpty(paymentMethodCode, "paymentMethodCode");
IEntityProvider <PaymentSystem> provider = Sitecore.Ecommerce.Context.Entity.Resolve <IEntityProvider <PaymentSystem> >();
PaymentSystem paymentMethod = provider.Get(paymentMethodCode);
ShoppingCart shoppingCart = Sitecore.Ecommerce.Context.Entity.GetInstance <ShoppingCart>();
shoppingCart.PaymentSystem = paymentMethod;
try
{
Tracker.StartTracking();
AnalyticsUtil.CheckoutPaymentMethodSelected(paymentMethod.Title, paymentMethod.Code);
}
catch (Exception ex)
{
LogException(ex);
}
Sitecore.Ecommerce.Context.Entity.SetInstance(shoppingCart);
}