void fileupload::Upload()
{
    String url = "http://localhost/uploads/transfer.php";
    HttpRequest r(url);
    String fn = "C:/upp/out/MyApps/MSBT17.Gui/test.pdf";
    String s = LoadFile(fn); 
    r.POST();
    r.Part("file", s , "multipart/form-data", fn);
    r.Execute();   
}