Updating values of recordset records

Business logic often requires us to update records by changing the values of some of their fields. This tutorial shows you how to modify the room_no field of the partner as we go.

Getting ready

This tutorial will use the same simplified hostel.room definition of the Creating new records tutorial. You may refer to this simplified definition to find out about the fields.

We have the room_no field in the hostel.room model. For illustration purposes, we will write in this field with the click of a button.

How to do it…

1. To update a room’s room_no field, you can write a new method called update_room_no(), which is defined as follows:

   def update_room_no(self):
       self.ensure_one()
       self.room_no = "RM002"

2. Then, you can add a button to the room’s <form> view in xml, as follows:

   <button name="update_room_no" string="Update Room No"...