productdetails.aspx.cs

来自「《圣殿祭司的ASP.NET 2.0开发详解——使用C#》光盘内容.包含了书籍所含」· CS 代码 · 共 32 行

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;

public partial class ProductDetails : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
		if (!IsPostBack)
		{
			Session["sourceUrl"] = Context.Request.UrlReferrer;	 //读取来源URL
		}
    }

	//回上一页
	protected void btnBack_Click(object sender, EventArgs e)
	{
		if (Session["sourceUrl"] != null)
		{
			Response.Redirect(Session["sourceUrl"].ToString());
		}

	}
}