File Upload Using FtpWebRequest In C#

This snippet shows how to upload a file to an ftp server using the FtpWebRequest Class.

1. using System;
2. using System.IO;
3. using System.Net;
5. class Program
6. {
7.     static void Main(string[] args)
8.     {
9.         string FTPAddress = "";
10.         string filename = "samplefile.txt";
11.         string username = "";
12.         string password = "";
14.         try
15.         {
16.             FtpWebRequest request = (FtpWebRequest)FtpWebRequest.Create("ftp://"
17.             + FTPAddress +"/samplefile.txt");
19.             request.Method = WebRequestMethods.Ftp.UploadFile;
20.             request.Credentials = new NetworkCredential(username, password);
21.             request.UsePassive = true;
22.             request.UseBinary = true;
23.             request.KeepAlive = false;
25.             FileStream stream = File.OpenRead(filename);
26.             byte[] buffer = new byte[stream.Length];
28.             stream.Read(buffer, 0, buffer.Length);
29.             stream.Close();
31.             Stream reqStream = request.GetRequestStream();
32.             reqStream.Write(buffer, 0, buffer.Length);
33.             reqStream.Close();
35.             Console.WriteLine("Upload Complete");
36.         }
37.         catch (WebException e)
38.         {
39.             Console.WriteLine(e.Message);
40.         }
41.         Console.ReadKey();
42.     }
43. }