public List<CartItem> UpdateCartItems()
        {
            using (ShoppingCartActions usersShoppingCart = new ShoppingCartActions())
            {
                String cartId = usersShoppingCart.GetCartId();

                ShoppingCartActions.ShoppingCartUpdates[] cartUpdates = new ShoppingCartActions.ShoppingCartUpdates[CartList.Rows.Count];
                for (int i = 0; i < CartList.Rows.Count; i++)
                {
                    IOrderedDictionary rowValues = new OrderedDictionary();
                    rowValues = GetValues(CartList.Rows[i]);
                    cartUpdates[i].ProductId = Convert.ToInt32(rowValues["ProductID"]);

                    CheckBox cbRemove = new CheckBox();
                    cbRemove = (CheckBox)CartList.Rows[i].FindControl("Remove");
                    cartUpdates[i].RemoveItem = cbRemove.Checked;

                    TextBox quantityTextBox = new TextBox();
                    quantityTextBox = (TextBox)CartList.Rows[i].FindControl("PurchaseQuantity");
                    cartUpdates[i].PurchaseQuantity = Convert.ToInt16(quantityTextBox.Text.ToString());
                }
                usersShoppingCart.UpdateShoppingCartDatabase(cartId, cartUpdates);
                CartList.DataBind();
                lblTotal.Text = String.Format("{0:c}", usersShoppingCart.GetTotal());
                return usersShoppingCart.GetCartItems();
            }
        }
 protected void CheckoutBtn_Click(object sender, ImageClickEventArgs e)
 {
     using (ShoppingCartActions usersShoppingCart = new ShoppingCartActions())
     {
         Session["payment_amt"] = usersShoppingCart.GetTotal();
     }
     Response.Redirect("Checkout/CheckoutStart.aspx");
 }
 protected void Page_Load(object sender, EventArgs e)
 {
     using (ShoppingCartActions usersShoppingCart = new ShoppingCartActions())
     {
         decimal cartTotal = 0;
         cartTotal = usersShoppingCart.GetTotal();
         if (cartTotal > 0)
         {
             // Display Total.
             lblTotal.Text = String.Format("{0:c}", cartTotal);
         }
         else
         {
             LabelTotalText.Text = "";
             lblTotal.Text = "";
             ShoppingCartTitle.InnerText = "Shopping Cart is Empty";
             UpdateBtn.Visible = false;
             CheckoutImageBtn.Visible = false;
         }
     }
 }