How to upload a PDF file on a site page using C #

This is how you send the file to the browser.

http://support.microsoft.com/kb/306654

private void Page_Load(object sender, System.EventArgs e)
    {
             //Set the appropriate ContentType.
        Response.ContentType = "Application/pdf";
             //Get the physical path to the file.
        string FilePath = MapPath("acrobat.pdf");
             //Write the file directly to the HTTP content output stream.
        Response.WriteFile(FilePath);
            Response.End();
    }