Downloading webservice with wsdl

this.EnableViewState = false;

HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;

HttpContext.Current.Response.ContentType = "text/XML";

HttpContext.Current.Response.Cache.SetCacheability(HttpCacheability.Public);

HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://yourewebsercvice.asmx?wsdl");  // change the url

request.Credentials=new NetworkCredential("sample name","password","domain");

HttpWebResponse response = (HttpWebResponse)request.GetResponse ();

Stream receiveStream =response.GetResponseStream();

StreamReader readStream = new StreamReader (receiveStream, Encoding.UTF8);

string result=readStream.ReadToEnd ();

HttpContext.Current.Response.Write(result);

HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment; filename=" + "fileName.xml");