It is ASPX 

 

<script runat="server">

    void InsertMsg(string msg)

    {

        ListBoxEvents.Items.Insert(0, msg);

        ListBoxEvents.SelectedIndex = 0;

    }

    void Uploader_FileUploaded(object sender, UploaderEventArgs args)

    {

        Uploader uploader = (Uploader)sender;

        InsertMsg("File uploaded! " + args.FileName + ", " + args.FileSize + " bytes.");

                   

        //Copys the uploaded file to a new location.

        String str_saveas = Server.MapPath("~/UploadFile/");

        args.CopyTo(str_saveas + args.FileName);              

        //You can also open the uploaded file's data stream.

        //System.IO.Stream data = args.OpenStream();

    }

</script>