C # webclient FTP service upload files and download files

Defines the action class used by WebClient: Operation class name Webupdown

WebClient uploading files to FTP service:

<summary>

WebClient uploading files to the FTP service

</summary>

<param name= "Filenamepath" > file name, full path format </param>

<param name= "uristring" > server folder path </param>

public static void UploadFile (String filenamepath, String uristring)

{

String newfilename = DateTime.Now.ToString ("Yymmddhhmmss") + DateTime.Now.Millisecond.ToString () + Filenamepath.substring (Filenamepath.lastindexof ("."));

uristring = uristring + newfilename;

Creating an WebClient instance

WebClient mywebclient = new WebClient ();

Specify User name and password

Mywebclient.credentials = new NetworkCredential ("username", "password");

Try

{

Uploading files

Mywebclient.uploadfile (New Uri (uristring), Filenamepath);

}

catch (Exception ex)

{

MessageBox.Show ("File upload failed, reason for failure:" + ex.) Message);

}

Finally

{

Mywebclient.dispose ();

}

}

To download the server file to the client:

<summary>

Download server files to client

</summary>

<param name= "URL" > downloaded file address, absolute path </param>

<param name= "Dir" > another directory for storage </param>

public static void Download (String URL, String Dir)

{

WebClient client = new WebClient ();

Client. Credentials = new NetworkCredential ("username", "password");

string Path = Dir; Save as absolute path + file name

Try

{

Client. DownloadFile (New Uri (URL), Path);

}

catch (Exception ex)

{

MessageBox.Show ("File download failed, reason for failure:" + ex.) Message);

}

Finally

{

Client. Dispose ();

}

}

Call Method:

<summary>

WebClient uploading to FTP service

</summary>

<param name= "Sender" ></param>

<param name= "E" ></param>

private void Button_click_5 (object sender, RoutedEventArgs e)

{

Webupdown.uploadfile (@ "C:\123.txt", @ "ftp://localhost//");

}

<summary>

WebClient downloading to the client using the FTP service

</summary>

<param name= "Sender" ></param>

<param name= "E" ></param>

private void Button_click_6 (object sender, RoutedEventArgs e)

{

Webupdown.download (@ "Ftp://localhost//123.txt", @ "C:\123.txt");

}

C # webclient FTP service upload files and download files