Upload Files to FTP Server programmatically in ASP.Net using C# and VB.Net

Files will be programmatically uploaded to FTP Web Server using the ASP.Net FileUpload control.
Learn how to upload files with C# to an FTP server.

protected void FTPUpload(object sender, EventArgs e)

{

    //FTP Server URL.

    string ftp = "ftp://yourserver.com/";

    //FTP Folder name. Leave blank if you want to upload to root folder.

    string ftpFolder = "Uploads/";

    byte[] fileBytes = null;

    //Read the FileName and convert it to Byte array.

    string fileName = Path.GetFileName(FileUpload1.FileName);

    using (StreamReader fileStream = new StreamReader(FileUpload1.PostedFile.InputStream))

    {

        fileBytes = Encoding.UTF8.GetBytes(fileStream.ReadToEnd());

        fileStream.Close();

    }

    try

    {

        //Create FTP Request.

        FtpWebRequest request = (FtpWebRequest)WebRequest.Create(ftp + ftpFolder + fileName);

        request.Method = WebRequestMethods.Ftp.UploadFile;

       //Enter FTP Server credentials.

        request.Credentials = new NetworkCredential("UserName", "Password");

        request.ContentLength = fileBytes.Length;

        request.UsePassive = true;

        request.UseBinary = true;

        request.ServicePoint.ConnectionLimit = fileBytes.Length;

        request.EnableSsl = false;

        using (Stream requestStream = request.GetRequestStream())

        {

            requestStream.Write(fileBytes, 0, fileBytes.Length);

            requestStream.Close();

        }

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

        lblMessage.Text += fileName + " uploaded.<br />";

        response.Close();

    }

    catch (WebException ex)

    {

        throw new Exception((ex.Response as FtpWebResponse).StatusDescription);

    }

}