//ArrayList arr;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Request.QueryString["id"] == null)
            {
                ViewCart();
            }
            else
            {
                String proid = Request.QueryString["id"].ToString();
                //ArrayList arr = new ArrayList();//(ArrayList)Session["Cart"];
                ArrayList arr = (ArrayList)Session["Cart"];
                objPro.proID = proid;
                String sname = objData.ProductName(objPro);
                double sprice = objData.ProductPrice(objPro);
                double stotal;

                bool availabe = false;
                try
                {
                    foreach (SCartItems item in arr)
                    {
                        if (item.proID == proid)
                        {
                            item.quantity += 1;
                            item.total = sprice * item.quantity;
                            availabe = true;
                        }
                    }
                    if (availabe == false)
                    {
                        int count = 1;
                        stotal = sprice * count;
                        SCartItems sitem = new SCartItems(proid, sname, count, sprice, stotal);
                        arr.Add(sitem);
                        Session["Cart"] = arr;
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show("Your cart is empty.");
                }
                ViewCart();
               // TotalBill();
            }
        }
    }
 public void AddItem(SCartItems item)
 {
     chose.Add(item);
 }
    protected void Page_Load(object sender, EventArgs e)
    {
        Panel1.Visible = false;

        if (!IsPostBack)
        {
            if (Request.QueryString["id"] == null)
            {
                //ViewCart();
                //TotalPay();
                Response.Redirect("Home.aspx");
            }
            else
            {
                String sID = Request.QueryString["id"].ToString();
                objPro.proID = sID;
                ArrayList arr = null;
                if (Session["Cart"] != null)
                {
                    arr = (ArrayList)Session["Cart"];
                }
                else
                {
                    arr = new ArrayList();
                }
                String sName = objGetData.ProductName(objPro);
                double sPrice = objGetData.ProductPrice(objPro);
                double sTotal;
                bool available = false;
                try
                {
                    foreach (SCartItems item in arr)
                    {
                        if (item.proID == sID)
                        {
                            item.quantity += 1;
                            item.total = sPrice * item.quantity;
                            available = true;
                        }
                    }
                    if (available == false)
                    {
                        int sl = 1;
                        sTotal = sPrice * sl;
                        SCartItems item = new SCartItems(sID, sName, sl, sPrice, sTotal);
                        arr.Add(item);
                    }
                }
                catch (Exception ex)
                {
                    MessageBox.Show(ex.Message);
                }
                Session["Cart"] = arr;
                ViewCart();
                TotalPay();
            }
        }
    }