protected void Page_Load(object sender, EventArgs e)
{
// make sure user is logged in
if (Request.Cookies["userName"] == null)
{
String extra = "";
if (Request.QueryString["item"] != null)
{
extra = "&item=" + Request.QueryString["item"];
}
Response.Redirect("login.aspx?ret=cart.aspx" + extra);
}
if (!IsPostBack) // don't reload controls/data if not necessary
{
CartsComponent cComp = new CartsComponent();
Cart c = cComp.GetCartByUserName(Request.Cookies["userName"].Value);
// is user creating a new cart?
if (Request.Params["item"] != null)
{
//CartsComponent cComp = new CartsComponent();
//Cart c = cComp.GetCartByUserName(Request.Cookies["userName"].Value);
// if a cart is already in database, then delete it
if (c != null)
{
cComp.DeleteCart(c);
}
// now, add item to cart
c = new Cart();
c.UserName = Request.Cookies["userName"].Value;
c.CatalogId = Convert.ToInt32(Request.Params["item"]);
cComp.InsertCart(c);
}
// show user's cart, if any
if (c != null)
{
// get the item's info
CatalogComponent catalog = new CatalogComponent();
Item it = catalog.GetItemById(c.CatalogId);
// display the catalog item
imgThumbPhoto.ImageUrl = it.ThumbPhoto;
lblDescription.Text = it.Description;
lblItemPrice.Text = "$" + Convert.ToString(it.Price);
txtDetails.Text = c.Details;
// since our cart only can contain 1 item, just use the item's price for total price
lblTotalPrice.Text = lblItemPrice.Text;
// show cart contents
SetVisibility(true);
}
else
{
// show 'cart empty'
SetVisibility(false);
}
}
}