public ActionResult RingleERPCopy(string poNumber)
 {
     MaintainPurchaseOrderControl uco = new MaintainPurchaseOrderControl();
     PurchaseOrderDto dto = uco.CopyPo(poNumber);
     return View(dto);
 }
 public ActionResult REAddPo(PurchaseOrderDto po)
 {
     MaintainPurchaseOrderControl uco = new MaintainPurchaseOrderControl();
     List<PurchaseOrderDto> poList = uco.Save(po);
     return View("RingleERP", poList);
 }
 public ActionResult RingleERP()
 {
     MaintainPurchaseOrderControl uco = new MaintainPurchaseOrderControl();
     return View(uco.GetPurchaseLists());
 }