一些链接：

http://www.codeproject.com/KB/IP/FtpClient.aspx

c＃： http://www.c-sharpcorner.com/uploadfile/neo_matrix/simpleftp01172007082222am/simpleftp.aspx

I need to download file from FTP server and make some changes on it and upload it again to the same FTP using VB.NET.

Any help please. Thank you.

Some links:

VB.NET: http://www.codeproject.com/KB/IP/FtpClient.aspx

c#: http://www.c-sharpcorner.com/uploadfile/neo_matrix/simpleftp01172007082222am/simpleftp.aspx