By refer this
example to doing, for my project is simple, pls tell me wht i wrong why cant display the data, from catelog page i pass a query string come to
description page. pls help appreaciate much, my product id is store at PID101xx, it have seession create but have the error when i view cart
String Id = "PID10107"; /*maybe cant get the id i'm passing from the catelog page using querystring*/
protected void btnAddtoCart_Click(object sender, EventArgs e)
{
if (Session["Cart"] == null)
{
Session["Cart"] = Id;
}
else
{
var cart = (List<string>)Session["Cart"];
foreach (var product in Id)
cart.Add(Id);
Sessi ...
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