asp.net 页面延时五秒，跳转到另外的页面

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Successed.aspx.cs" Inherits="Biz_Order_Successed" %>

系统将会在五秒钟后转向浏览页面

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using HyiSoft.WebUtility;

public partial class Biz_Order_Successed : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string message = string.Empty;
string url = string.Empty;
url = Utility.Request("url");
message = Utility.Request("message");
lbmessage.Text = message;
hrefUrl.HRef = url;
hrefUrl.InnerText = "手动转向页面";
string strRedirectPage = url;
string strRedirectTime = "5";
string strRedirect = string.Format("{0};url={1}", strRedirectTime, strRedirectPage);
Response.AddHeader("refresh", strRedirect);
}
}