public void LoadCart()
{
CartBL cartBL = new CartBL();
dgvCart.DataSource = cartBL.GetProducts(Session["cartID"].ToString());
dgvCart.DataBind();
ViewState.Add("discount", cartBL.GetCartDiscount(Session["cartID"].ToString()));
calculateCart();
if (dgvCart.Rows.Count == 0)
{
lblStatus.Text = "Nemate proizvoda u korpi";
lblStatus.Visible = true;
}
}