that is not supported
but this may be posible
using System;
using System.IO;
using System.Net;
using System.Text;
namespace Examples.System.Net
{
public class WebRequestGetExample
{
public static void Main ()
{
FtpWebRequest obs = (FtpWebRequest)WebRequest.Create("ftp://www.xyz.com/test.htm");
obs.Method = WebRequestMethods.Ftp.UploadFile;
obs.Credentials = new NetworkCredential ("anonymous","janeDoe@contoso.com");
StreamReader sourceStream = new StreamReader("testfile.txt");
byte [] fileContents = Encoding.UTF8.GetBytes(sourceStream.ReadToEnd());
sourceStream.Close();
obs.ContentLength = fileContents.Length;
Stream requestStream = obs.GetRequestStream();
requestStream.Write(fileContents, 0, fileContents.Length);
requestStream.Close();
FtpWebResponse response = (FtpWebResponse) obs.GetResponse();
Console.WriteLine("Upload File Complete, status {0}", response.StatusDescription);
response.Close();
}
}
}
}