elmah.ir-post128-code3.cs

private void PlaceOrderWithFulfillmentService(ShoppingCart shoppingCart, Customer customer)
{
    //Open Session
    var orderFulfillmentSessionId = OpenOrderFulfillmentSession();

    var firstItemId = shoppingCart.Items[0].ItemId;
    var firstItemQuantity = shoppingCart.Items[0].Quantity;

    //Check Inventory Level
    var itemIsInInventory = _orderFulfillmentService.IsInInventory(orderFulfillmentSessionId, firstItemId, firstItemQuantity);

    //Place Orders
    var orderForFulfillmentService = new Dictionary();
    orderForFulfillmentService.Add(firstItemId, firstItemQuantity);
    var orderPlaced = _orderFulfillmentService.PlaceOrder(orderFulfillmentSessionId,
        orderForFulfillmentService,
        customer.ShippingAddress.ToString());

    //Close Session
    _orderFulfillmentService.CloseSession(orderFulfillmentSessionId);
}

private Guid OpenOrderFulfillmentSession()
{
    var orderFulfillmentSessionId = _orderFulfillmentService.OpenSession(USERNAME, PASSWORD);
    return orderFulfillmentSessionId;
}