C#POST 数据

      string url = "http://192.168.1.127/xia/Server/xia.asp?COMMAND=Login&Account=puretime&Password=12345";

            CookieContainer cookie = new CookieContainer ();

            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create(url);

            myRequest.AllowAutoRedirect = true;

            myRequest.CookieContainer = cookie;

            HttpWebResponse myresponse = (HttpWebResponse)myRequest.GetResponse();

            myresponse.Cookies = cookie.GetCookies(myRequest.RequestUri);

            Stream mystream = null;

            mystream = myresponse.GetResponseStream();

            StreamReader myreader = new StreamReader(mystream, System.Text.Encoding.Default, true);

            string pagefile = myreader.ReadToEnd();
  if (pagefile.IndexOf("<Value>1</Value>") > 0)//登入成功
            {
              
                string postUrl = "http://192.168.1.127/xia/Server/xia.php?COMMAND=AddContent";           

                HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(postUrl);

                Request.CookieContainer = cookie;

                Request.Method = "POST";

                Request.ContentType = "application/x-www-form-urlencoded";

                Request.AllowAutoRedirect = true;

                string strXML =<book><author>Irina</author><title>Piano Fort A</title><price>4.95</price></book>";

           //     strXML = "<?xml version=\"1.0\" encoding=\"utf-8\" ?>" + strXML;

                byte[] data = Encoding.UTF8.GetBytes(strXML);

                Stream newStream = Request.GetRequestStream();
          
                newStream.Write(data, 0, data.Length);
             
                newStream.Close();

               HttpWebResponse response = (HttpWebResponse)Request.GetResponse();
 
               Stream stream = null;

               stream = response.GetResponseStream();

               StreamReader reader = new StreamReader(stream, System.Text.Encoding.Default, true);

               string file = reader.ReadToEnd();

               myreader.DiscardBufferedData();

               myreader.Close();

               stream.Close();

               FileStream s = new FileStream("c:/test.txt", FileMode.Create);

               StreamWriter w = new StreamWriter(s, System.Text.Encoding.Default);

               w.Write(file);

               w.Close();