protected void dlProducts_ItemCommand(object source, DataListCommandEventArgs e)
{
if (e.CommandName == "AddToCart")
{
if (IsValid)
{
TextBox qtytxtbox = (TextBox)(e.Item.FindControl("txtQuantity"));
selectedProduct = GetSelectedProduct(Convert.ToInt32(e.CommandArgument),
Convert.ToDecimal(qtytxtbox.Text));
CartItemList cart = CartItemList.GetCart();
CartItem cartItem = cart[selectedProduct.ProductCode.ToString()];
if (cartItem == null)
{
cart.AddItem(selectedProduct, Convert.ToDecimal(qtytxtbox.Text));
}
else
{
cartItem.AddQuantity(Convert.ToDecimal(qtytxtbox.Text));
}
Master.CartItems = cart.Count.ToString();
}
}
}
public static CartItemList GetCart()
{
CartItemList cart = (CartItemList)HttpContext.Current.Session["Cart"];
if (cart == null)
{
HttpContext.Current.Session["Cart"] = new CartItemList();
}
return((CartItemList)HttpContext.Current.Session["Cart"]);
}
protected void Page_Load(object sender, EventArgs e)
{
if (string.IsNullOrEmpty(Session["username"] as string))
{
Response.RedirectPermanent("~/Login");
}
else
{
if (!IsPostBack)
{
CartItemList cart = CartItemList.GetCart();
Master.CartItems = cart.Count.ToString();
}
}
}
