Download File from SFTP using C#

1. Open Visual studio and create a new website
2. Right Click to your solution and go to Manage Nuget Packages
3. Search for SSH.NET and install it
4. Include namespaces like using Renci.SshNet; and using System.IO;
5. On your Button Click Event write below code

          string port = SFTP Port;
          string host = SFTP Host;
          string username = SFTP Username;
          string password = SFTP Password;
          string remoteDirectory = SFTP Folder from where the file will be downloaded;

          string localDirectory = Local Directory Path;
                if (!File.Exists(Path.GetDirectoryName(localDirectory)))
                    Directory.CreateDirectory(Path.GetDirectoryName(localDirectory));

                using (SftpClient sftp = new SftpClient(host, Convert.ToInt32(port), username, password))
                {
                    sftp.Connect();
                    var files = sftp.ListDirectory(remoteDirectory);
                    foreach (var file in files)
                    {
                        string remoteFileName = file.Name;
                        if (file.Name.Contains("."))
                        {
                            using (Stream file1 = File.OpenWrite(localDirectory + "\\" + remoteFileName))
                            {
                                sftp.DownloadFile(remoteDirectory + "\\" + remoteFileName, file1);
                            }
                        }
                    }
                }
6. Run Your Project