HTML Multiple file upload

html_multifile_upload

private object uploadFile(string filename)
{
    //I've multiple fileupload controls in my form, that's why I am passing the name property of my fileupload control here
    if (Request.Files.Count > 0)
    {
        HttpFileCollection files = Request.Files;
        string[] keys = files.AllKeys; //Extracting the name of all files (which actually is the name of html file control) in order to identify the correct file w.r.t control

        for (int i = 0; i < files.Count; i++)
        {
            if (keys[i] == filename && files[i].ContentLength > 0)
            {
                HttpPostedFile file = files[i];
                string fname = Path.GetFileName(file.FileName);
                file.SaveAs(Server.MapPath(Path.Combine("~/App_Data/", fname)));
            }
        }
    }
}