How to transfer a file from my pc to server..

Hi,   I've a problem in my project. i need ur help friends.


1) in my project i'm using barcode scanner . when i connect the scanner and click the "import" button ,
    the text file in barcode scanner have to move to my server's path.


2) i've given a path like ("\\dellserver\barcode\barcode.txt"). This is working fine where the system are connected through LAN.


3) But What i need is 
     
     When i execute the same program without LAN means how can i give that server path?? or any other way to move my barcode text file to server's barcode folder??


if yes, plz share ur answer..