Upload a file from C# Window application to Web application

Question

Hello Dear I have to upload a (.mdb) file from C# window application to wwwroot folder of a website. where i have to use this file for crystal reports & else... so, I 've to use ftp://.xxx.xxxxx.xxx user name: .... password: ... but how can I get my work done. can any body help in this regard. Thanks in advance.