public ActionResult ExportAllInfoToPdf(long branchId, DateTime fromDate, DateTime toDate)
        {
            PurchaseOperationInfoExportToFile exPdf = new PurchaseOperationInfoExportToFile();

            exPdf.ExportAllInfoToPdf(PurchaseOpDal.GetPurchaseOpInfoList(branchId, fromDate, toDate), fromDate, toDate);
            return(Json(true, JsonRequestBehavior.AllowGet));
        }
        public ActionResult ExportOneInfoToPdf(string purchaseNo)
        {
            PurchaseOperationInfoExportToFile exPdf = new PurchaseOperationInfoExportToFile();

            exPdf.ExportOneInfoToPdf(PurchaseOpDal.GetPurchaseOpInfo(purchaseNo));
            return(Json(true, JsonRequestBehavior.AllowGet));
        }