// add an order to the hashtable
public void AddOrder(Order order)
{
Order _order = (Order)_Orders[order.ItemID];
if (_order != null)
_order.Quantity += order.Quantity;
else
_Orders.Add(order.ItemID, order);
}
// when a datagrid item command is placed
public void OnItemCommand(Object sender, DataGridCommandEventArgs e)
{
// add an item to the cart
if (e.CommandName == "addItemToCart")
{
Order order = new Order(e.Item.Cells[0].Text, e.Item.Cells[1].Text, e.Item.Cells[2].Text, e.Item.Cells[3].Text, 1);
ShoppingCart cart = (ShoppingCart)Session["MyShoppingCart"];
if (cart != null)
cart.AddOrder(order);
cartLink.Text = "Shopping Cart (" + cart.CartCount() + ")";
}
}