Odoo Hide Column in Tree
<field name="line_ids"> <tree> <field name="date_register" attrs="{'column_invisible':[('parent.field_in_parent_record', '=', True)]}"/> </tree> </field>
<field name="line_ids"> <tree> <field name="date_register" attrs="{'column_invisible':[('parent.field_in_parent_record', '=', True)]}"/> </tree> </field>