public string ApproveSalesRecordRetailSubproducs(DataTable dt) { SalesOrderDAL salesOrder = new SalesOrderDAL(); try { LumexDBPlayer db = LumexDBPlayer.Start(true); string Id = salesOrder.ApproveSalesRecordRetailSubproducs(this, dt, db); db.Stop(); return Id; } catch (Exception) { throw; } finally { salesOrder = null; dt = null; } }