protected void btnCart_Click(object sender, EventArgs e)
{
if (Session["uid"] == null)
{
Response.Redirect("/login.aspx");
}
int userid = (int)Session["uid"];
CartModel cart = new CartModel();
cart.user.id = userid;
BookOrderModel bookOrder = new BookOrderModel();
bookOrder.quantity = int.Parse(txtNum.Text);
bookOrder.price = BookOnThisPage.price;
bookOrder.book = BookOnThisPage;
if (CartBLL.AddBookToCart(cart, bookOrder) > 0)
{
Modal.Show(this, "已添加到购物车");
}
}