Android ต้องการให้ดึงข้อมูลจากดาต้าเบสมาแสดง แต่ค่าที่ดึงมามันมาไม่ครบต้องทำยังไงคะ

 try {

            Connection con = connectionClass.CONN();
            String query = "select dbo.CustomerShipToAddress.ContactPerson as CustomerName ,dbo.DeliveryAddress.MainTrxNo as MainTrxNo, dbo.DeliveryAddress.ShipToID as ShipToID, dbo.DeliveryAddress.CustomerID as CustomerID, dbo.DeliveryAddress.OrderID as OrderID , dbo.DeliveryHead.DeliveryNo as DeliveryNo, dbo.DeliveryHead.BranchCode as BranchCode from dbo.DeliveryHead,dbo.DeliveryAddress,dbo.CustomerShipToAddress where dbo.DeliveryHead.MessengerID='" + StaffID + "' and dbo.DeliveryHead.DeliveryNo=dbo.DeliveryAddress.DeliveryNo and dbo.DeliveryHead.BranchCode=dbo.DeliveryAddress.BranchCode and dbo.DeliveryAddress.ShipToID=dbo.CustomerShipToAddress.ShipToID and dbo.DeliveryAddress.CustomerID=dbo.CustomerShipToAddress.CustomerID ";
            Statement stmt = con.createStatement();
            ResultSet rs = stmt.executeQuery( query );

            if (rs.next()) {

                DeliveryNo = rs.getString( "DeliveryNo" );
                BranchCode = rs.getString( "BranchCode" );
                OrderID = rs.getString( "OrderID" );
                MainTrxNo = rs.getString( "MainTrxNo" );
                ShipToID = rs.getString( "ShipToID" );
                CustomerID = rs.getString( "CustomerID" );
                CustomerName = rs.getString( "CustomerName" );
                textView2.setText("DeliveryNo : " + DeliveryNo + " \n" + "BranchCode : " + BranchCode + "  \n" + "OrderID : " + OrderID + "  \n" +  "CustomerID : " + CustomerID + "  \n" +  "MainTrxNo : " + MainTrxNo + "  \n" +  "CustomerName : " + CustomerName );

            }


        } catch (SQLException e) {
            e.printStackTrace();
        }