asp.net生成静态页面

Default..aspx
<meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
Default..aspx.cs
using System;
using System.Data;
using System.Configuration;
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;
using System.IO;
using sqlpublic;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string url = Server.MapPath("~/default.html");
if (File.Exists(url))
File.Delete(url);
Response.Filter = new ResponseFilter(Response.Filter, Server.MapPath("~/Default.html"));
}
}
ResponseFilter.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
namespace sqlpublic
{
public class ResponseFilter : Stream
{
private Stream m_sink;
private long m_position;
private FileStream fs;
public ResponseFilter(Stream sink, string path)
{
m_sink = sink;
fs = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write);
}
// The following members of Stream must be overriden.
public override bool CanRead
{
get
{
return true;
}
}
public override bool CanSeek
{
get
{
return false;
}
}
public override bool CanWrite
{
get
{
return false;
}
}
public override long Length
{
get
{
return 0;
}
}
public override long Position
{
get
{
return m_position;
}
set
{
m_p