protected void Page_Load(object sender, EventArgs e)
{
order = (Order)Session["order"];
if (order == null)
{
// We can't checkout if we haven't started an order yet
Response.Redirect("OrderPizza.aspx");
}
TotalLabel.Text = "Total cost (including sales tax): " +
order.Cost().ToString("c");
}
protected void Page_Load(object sender, EventArgs e)
{
// Start an order if we haven't already
Order order = (Order)Session["order"];
if (order == null)
{
// Figure out what reference number we should use
Object last_ref = Application["last_reference_number"];
int reference_number;
if (last_ref == null)
{
reference_number = 1;
}
else
{
reference_number = (int) last_ref + 1;
}
Application["last_reference_number"] = reference_number;
Session["order"] = new Order(reference_number);
}
}