protected void Page_Load(object sender, EventArgs e)
        {
            int accountId = Convert.ToInt32(Request.QueryString["id"]);

            Response.ContentType = "application/octet-stream";
            IEmployeeFacade _IEmployeeFacade = InstanceFactory.CreateEmployeeFacade();

            byte[] photo = _IEmployeeFacade.GetEmployeePhotoByAccountID(accountId);
            if (photo == null)
            {
                photo = getphoto("../../image/photobig.jpg");
            }
            Response.BinaryWrite(photo);
            Response.End();
        }