public decimal countprice(CartList cl)
{
List <Cart> cart = cl.getCl();
decimal totalprice = 0;
for (int i = 0; i < cart.Count; i++)
{
Cart c = cart[i];
decimal p = 0;
p = c.b.Price;
totalprice = totalprice + p;
}
return(totalprice);
}
public void minusStock(CartList cl)
{
BookshopEntities bookshop = new BookshopEntities();
List <Cart> cart = cl.getCl();
for (int i = 0; i < cart.Count; i++)
{
Cart c = cart[i];
Book b = bookshop.Books.Find(c.b.BookID);
int bookstock = 1;
bookstock = b.Stock - 1;
b.Stock = bookstock;
bookshop.SaveChanges();
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (Session["cart"] != null)
{
CartList cart = (CartList)Session["cart"];
this.GridViewCart.DataSource = cart.getCl();
this.GridViewCart.DataBind();
decimal totalprice = cc.countprice(cart);
txtTotalPrice.Text = totalprice.ToString();
}
else
{
CartList cart = new CartList();
this.GridViewCart.DataSource = cart.getCl();
this.GridViewCart.DataBind();
decimal totalprice = cc.countprice(cart);
txtTotalPrice.Text = totalprice.ToString();
Response.Write("<script>alert('Empty!')</script>");
}
}