FTP upload
 

I've an asp.net application which needs the funtionality to upload images from the hosting site to the ftp server.ie,when the user uploads the image the application has to upload it to the ftp server not hosting server.The hosting server and ftp server are in two different locations and two different networks.Now it's showing an FileIO exception.I am using Asp.net 2.0.Please anyone help me if you've any solution.I am in very urgent situation.
Thanks in advance