protected void HiddenField1_ValueChanged(object sender, EventArgs e)
        {
            string id = HiddenField1.Value;

            if (id[0] == 'a')
            {
                MySQLServer.confirm(id.Substring(1));
            }
            else
            {
                MySQLServer.decline(id.Substring(1));
            }
            Response.Redirect("~/Manage/Orders");
        }