Call onchange function when open view

Question

Hello,
Here is my problem
In sale.order view, i've added an onchange function on field partner.id to fill an other field (ie : field1)
If i create a new sale.order from general sale.order list and select a partner, my field1 is correctly filled. No problem here, the onchange function works well.

But if i create a new sale.order from the partner view, the partner is already selected in the sale.order view also the onchange function is not called and field1 is not filled.

What is the way to call

Awamer Alshabaka For Information Technology · Answer

you can try to override the write function instead it will be run on create or any time you edit the record it will compute the field like:
def write(self, vals):
if condition:
vals['field1']=somevalue
res = super(classname, self).write(vals)

return res
or

you can use an onchange compute method
like:
field1=fields.Integer(compute="get_value")
@api.onchange('partner_id')
def get_value(self):
field1=somevalue

JJB Conseil · Answer

Thank you for this answer.
I thinked about it but the problem is that the field stay empty until i click on save button
I prefer that the field is filled  before, otherwise user will think that something is wrong.

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