FtpWebRequest

FtpWebRequest ftpRequest;

FtpWebResponse ftpResponse;

try

{

    //Settings required to establish a connection with the server

    this.ftpRequest = (FtpWebRequest)FtpWebRequest.Create(new Uri("ftp://ServerIP/FileName"));

    this.ftpRequest.Method = WebRequestMethods.Ftp.UploadFile;

    this.ftpRequest.Proxy = null;

    this.ftpRequest.UseBinary = true;

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

    //Selection of file to be uploaded

    FileInfo ff = new FileInfo("File Local Path With File Name");//e.g.: c:\\Test.txt

    byte[] fileContents = new byte[ff.Length];

    //will destroy the object immediately after being used

    using (FileStream fr = ff.OpenRead())

    {

        fr.Read(fileContents, 0, Convert.ToInt32(ff.Length));

    }

    using (Stream writer = ftpRequest.GetRequestStream())

    {

        writer.Write(fileContents, 0, fileContents.Length);

    }

    //Gets the FtpWebResponse of the uploading operation

    this.ftpResponse = (FtpWebResponse)this.ftpRequest.GetResponse();

    Response.Write(this.ftpResponse.StatusDescription); //Display response

}

catch (WebException webex)

{

    this.Message = webex.ToString();

}