public ActionResult SaleReport(DateTime?fromDate, DateTime?toDate, int?saleId, int?recieptID)
        {
            var ctx = new SmsContext();

            fromDate = fromDate == null ? SystemConstant.MIN_DATE : fromDate;
            toDate   = toDate == null ? SystemConstant.MAX_DATE : toDate;
            var resultList = ctx.SP_GET_HOA_DON(fromDate, toDate, saleId, recieptID).ToList <SP_GET_HOA_DON_Result>();

            ViewBag.Count = resultList.Count();
            ctx.Dispose();
            return(View());
        }