checkout.aspx.cs

手机网店源码

using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;

namespace MobileOnlineShop{

    public class CheckOut : System.Web.UI.Page {
        protected System.Web.UI.WebControls.Label Header;
        protected System.Web.UI.WebControls.Label Message;
        protected System.Web.UI.WebControls.DataGrid MyDataGrid;
        protected System.Web.UI.WebControls.Label TotalLbl;
        protected System.Web.UI.WebControls.ImageButton SubmitBtn;

        public CheckOut() {
            Page.Init += new System.EventHandler(Page_Init);
        }

        //*******************************************************
        //
        // The Page_Load event on this page is used to load the
        // ShoppingCart DataGrid *the first time* the page is
        // accessed.
        //
        // Note that subsequent postbacks to the page *do not*
        // reload the Datagrid.  Instead, we rely on the control's
        // built-in viewstate management to rebuild the control
        // on the server.
        //
        //*******************************************************

        private void Page_Load(object sender, System.EventArgs e) {

            if (Page.IsPostBack == false) {

                // Calculate end-user's shopping cart ID
                MobileOnlineShop.DAL.ShoppingCartDB cart = new MobileOnlineShop.DAL.ShoppingCartDB();
                String cartId = cart.GetShoppingCartID();

                // Populate datagrid with shopping cart data
                MyDataGrid.DataSource = cart.GetItems(cartId);
                MyDataGrid.DataBind();

                // Update total price label
                TotalLbl.Text = String.Format( "{0:c}", cart.GetTotal(cartId));
            }
        }

        //*******************************************************
        //
        // The SubmitBtn_Click event handle is used to order the
        // items within the current shopping cart.  It then
        // displays the orderid and order status to the screen
        // (hiding the "SubmitBtn" button to ensure that the
        // user can't click it twice).
        //
        //*******************************************************

        private void SubmitBtn_Click(object sender, System.Web.UI.ImageClickEventArgs e) {
            
            MobileOnlineShop.DAL.ShoppingCartDB cart = new MobileOnlineShop.DAL.ShoppingCartDB();

            // Calculate end-user's shopping cart ID
            String cartId = cart.GetShoppingCartID();

            // Calculate end-user's customerID
            String customerId = User.Identity.Name;

            if ((cartId != null) && (customerId != null)) {

                // Place the order
                MobileOnlineShop.DAL.OrdersDB ordersDatabase = new MobileOnlineShop.DAL.OrdersDB();
                int orderId = ordersDatabase.PlaceOrder(customerId, cartId);

                //Update labels to reflect the fact that the order has taken place
                Header.Text="结账完成";
                Message.Text = "<b>您的商品数位： </b>" + orderId;
                SubmitBtn.Visible = false;
            }
        }
        
        private void Page_Init(object sender, EventArgs e) {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
        }

		#region Web Form Designer generated code
        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent() {    
			this.SubmitBtn.Click += new System.Web.UI.ImageClickEventHandler(this.SubmitBtn_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

    }
}