                     <page string="Order Lines" name="order_lines">                         <field name="order_line" widget="section_and_note_one0many" mode="tree">                             <tree editable="bottom">                                 <control>                                     <create string="Add a product"/>                                 </control>                                 <field name="product_id">                                 <field name="brand_id"/>                                 <field name="country_id"/>                                 <field name="sell_price"/>                                 <field name="product_uom_qty" string="Ordered Qty"/>                             </tree>                         </field>                     