public DataTable GetProductRequisitionById(string purchaseRequisitionId) { ProductRequisitionDAL productRequisition = new ProductRequisitionDAL(); try { LumexDBPlayer db = LumexDBPlayer.Start(); DataTable dt = productRequisition.GetProductRequisitionById(purchaseRequisitionId, db); db.Stop(); return dt; } catch (Exception) { throw; } finally { productRequisition = null; } }