cartlist.aspx.cs

网络营销软件的源代码

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 WebApplication8.firstPage
{
	/// <summary>
	/// cartList 的摘要说明。
	/// </summary>
	public class cartList : System.Web.UI.Page
	{
		protected System.Web.UI.WebControls.DataGrid DataGrid1;
		protected System.Web.UI.WebControls.Button Button2;
		protected System.Web.UI.WebControls.Button Button1;
		protected System.Web.UI.WebControls.Label count;

		DataView cartView;
	
		private void Page_Load(object sender, System.EventArgs e)
		{
			// 在此处放置用户代码以初始化页面
			if(Session["userName"]==null)
				Response.Redirect("../login.aspx");
			
			cartView = ((ShoppingCart)Session["cart"]).getCart();
			DataGrid1.DataSource = cartView;
			DataGrid1.DataBind();

			count.Text = Application["count"].ToString();
		}

		#region Web 窗体设计器生成的代码
		override protected void OnInit(EventArgs e)
		{
			//
			// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
			//
			InitializeComponent();
			base.OnInit(e);
		}
		
		/// <summary>
		/// 设计器支持所需的方法 - 不要使用代码编辑器修改
		/// 此方法的内容。
		/// </summary>
		private void InitializeComponent()
		{    
			this.DataGrid1.PageIndexChanged += new System.Web.UI.WebControls.DataGridPageChangedEventHandler(this.DataGrid1_PageIndexChanged);
			this.DataGrid1.DeleteCommand += new System.Web.UI.WebControls.DataGridCommandEventHandler(this.DataGrid1_DeleteCommand);
			this.Button1.Click += new System.EventHandler(this.Button1_Click);
			this.Button2.Click += new System.EventHandler(this.Button2_Click);
			this.Load += new System.EventHandler(this.Page_Load);

		}
		#endregion

		private void Button1_Click(object sender, System.EventArgs e)
		{
			if(((ShoppingCart)Session["cart"]).getItemCount()>0)
			{
				((ShoppingCart)Session["cart"]).buy(Session["userName"].ToString(),Session["studentNO"].ToString(),Application["market"].ToString());
				Response.Write("<script language=javascript>alert('成功购入');this.location.href='shopping.aspx';</script>");
			}
		}

		private void Button2_Click(object sender, System.EventArgs e)
		{
			Response.Redirect("shopping.aspx");
		}

		private void DataGrid1_PageIndexChanged(object source, System.Web.UI.WebControls.DataGridPageChangedEventArgs e)
		{
			DataGrid1.CurrentPageIndex = e.NewPageIndex;
			DataGrid1.DataSource = cartView;
			DataGrid1.DataBind();
		}

		private void DataGrid1_DeleteCommand(object source, System.Web.UI.WebControls.DataGridCommandEventArgs e)
		{
			string id = e.Item.Cells[0].Text;
			string price = e.Item.Cells[1].Text;
			((ShoppingCart)Session["cart"]).delete(id,price);
			DataGrid1.DataSource = ((ShoppingCart)Session["cart"]).getCart();
			DataGrid1.DataBind();
		}
	}
}