摘要：
1：第一种方式：用DatatableBuyPro(1, Request.QueryString["id"].ToString());public string BuyPro(int number, string ProductCode) {if (Session["Cart"] == null) { this.BuildCart(number, ProductCode); } else { DataTable cart = Session["Cart"] as DataTable; if (this.Existproduct(cart 阅读全文
