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Basics of uploading files to and downloading from an ftp server

, 30 Jul 2002 268.6K 63
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This tutorial helps you to upload and download files from an FTP server.


This article explains and demonstrates the usage of the File Transfer Protocol (FTP) to upload your files to a server on the internet and to download files from a FTP server. This requires you to have the username and password to the ftp server where you are going to upload files or from where you are going to download files.


FTP has many uses among which I can give you a few beginners examples. You can use it to store data on the server which can be accessed by your fellow programmers who might be working in different locations. The way I used it was for  the purpose of displaying a PowerPoint slideshow in one place and simultaneously broadcasting it to many clients. The software captured the screenshots and saved them as a .jpg file on the ftp server. My client software used to continuously access that server checking for new files and display them whenever a change is made. The client software was basically a JPEG viewer software. You can cook up a lot more usages depending on your requirements.


To use ftp, you need to add the afxinet.h header file.

  • Add the following statement in your dialog's header file or if its a doc/view project, then add it to your document class's header file.
  • #include "afxinet.h"
  • In the header file ( dialog's or document class's ), add the following Member Variables
  • CFtpConnection *m_pFtpConnection;
    CInternetSession m_Session;
  • In your application's initialization ( OnInitDialog or InitInstance functions), add the following lines.
  • m_pFtpConnection = NULL;
        // Here usr is the username, pwd is the password 
        // and is the name of the ftp site which
        // you want to connect to.
        m_pFtpConnection = m_Session.GetFtpConnection("",
    catch(CInternetException *pEx)
        m_pFtpConnection = NULL;
    return TRUE;
  • To upload a file, add the following lines of code :-
  • CFileFind Finder;
    CString strFileName;
    // Here c:\\Myfile.bmp is the name of the file that you want 
    // to upload. It neednt necessarily be a bitmap file. You 
    // can upload any file that you want to.
    // The CString strFileName is used so that the same name 
    // is uploaded to the ftp server.
    // After uploading, the file in the ftp server will have 
    // the same name as your local file.
    // You can also rename it to anything
        strFileName = Finder.GetFileName();
    BOOL bUploaded = m_pFtpConnection->PutFile("C:\\Myfile.bmp",
    AfxMessageBox("Uploaded Successfully");
  • To download a file from a ftp site, you can use the following code. Here the first parameter is the file in the ftp server. The 2nd parameter is the location where you want to store it in your hard disk.
  • m_pFtpConnection->GetFile("File.ext","C:\\File.ext",
  • To close the connection
  • m_Session.Close();
        delete m_pFtpConnection;

Revision History

  • 31 Jul 2002 - Initial Revision [Basic Revision]


FTP is easy to use and has a lots of uses. Think of your own implementations and various features that can be added to the supplied code. That's it. All luck and have a great time.


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Comments and Discussions

QuestionCan not upload Chinese file's name to ftp server! Pin
Member 1037175115-May-14 21:29
memberMember 1037175115-May-14 21:29 
GeneralUploading To A Folder On The FTP Pin
geoffism24-Mar-05 13:49
membergeoffism24-Mar-05 13:49 
GeneralWin XP if service pack 2 problem Pin
Abhijeeet17-Feb-05 0:58
sussAbhijeeet17-Feb-05 0:58 
GeneralRe: Win XP if service pack 2 problem Pin
Anonymous16-Mar-05 22:21
sussAnonymous16-Mar-05 22:21 
Questiondid someone get this working? Pin
muurimc10-Nov-03 4:00
membermuurimc10-Nov-03 4:00 
AnswerRe: did someone get this working? Pin
riki_risnandar15-Dec-04 9:09
memberriki_risnandar15-Dec-04 9:09 
Questionhow to use FtpGetFileStatus() here? Pin
iamahorsr20031-Oct-03 17:30
memberiamahorsr20031-Oct-03 17:30 
GeneralFtp Connection Not working Pin
girishnadig18-Sep-03 6:34
membergirishnadig18-Sep-03 6:34 
GeneralRe: Ftp Connection Not working Pin
samjunk16-Nov-07 10:21
membersamjunk16-Nov-07 10:21 
Questionhow to get the source code? Pin
Anonymous18-May-03 15:24
sussAnonymous18-May-03 15:24 

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