public DataTable GetPurchaseOrderProductListById(string purchaseOrderId, string purchaseRequisitionId) { PurchaseOrderDAL purchaseOrder = new PurchaseOrderDAL(); try { LumexDBPlayer db = LumexDBPlayer.Start(); DataTable dt = purchaseOrder.GetPurchaseOrderProductListById(purchaseOrderId, purchaseRequisitionId, db); db.Stop(); return dt; } catch (Exception) { throw; } finally { purchaseOrder = null; } }