请问HttpWebRequest如何设置Accept-Language和Accept-Encoding?
我发了一个HttpWebRequest给某个网站,可是它却仅仅回复我200   OK,却没有回复任何html代码;而用浏览器访问这个URL却是有页面html的。所以我怀疑是我的C#程序发的HttpWebRequest没有设置Accept-Language和Accept-Encoding的缘故。   
 请高手帮忙,衷心感谢!
------解决方案--------------------防抓取了
------解决方案--------------------网址和你的代码贴出来看看
------解决方案--------------------用这个吧   
 private string GetHtmlSource(string url) 
 { 
     System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url); 
     request.UserAgent =  "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.1) Web-Sniffer/1.0.24 "; 
     System.Net.WebResponse response = request.GetResponse(); 
     System.IO.Stream resStream = response.GetResponseStream(); 
     System.IO.StreamReader sr = new System.IO.StreamReader(resStream, System.Text.Encoding.UTF8); 
     string htmlSource = (sr.ReadToEnd()); 
     resStream.Close(); 
     sr.Close(); 
     return htmlSource; 
 }   
 测试 
 richTextBox2.Text = GetHtmlSource( "http://aro999.com ");   
 输出 
  <html>  
  <head>  
  <title> Welcome Tai Zan </title>  
  <meta http-equiv= "Content-Type " content= "text/html; charset=UTF-8 ">  
  </head>  
  <frameset rows= "*,0 " frameborder= "NO " border= "0 " framespacing= "0 ">   
  <frame name= "mem_index " src= "http://aro999.com/app/member/ ">  
  <frame name= "act " scrolling= "NO " noresize src= " ">  
  </frameset>  
  <noframes>   
  <body bgcolor= "#FFFFFF " text= "#000000 ">  
  </body>  
  </noframes>   
  </html>