public ActionResult GetCashPay(FormCollection fc)
        {
            Cash      ch     = new Cash();
            String    BpoNum = fc["txtvocno"];
            DataTable dt     = ch.GetBpos(BpoNum, Convert.ToInt32(Session["divid"]));

            foreach (DataColumn col in dt.Columns)
            {
                col.ReadOnly = false;
            }
            Session["bpopayment"] = dt;
            return(View("bpopay", dt));
        }