I want to store only one record in a table and I have to show an error message when clicked on create button in tree view , if tried to enter another record . How to over ride the create button and display custom error message.
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Hi,
You can try like this,
@api.model
def create(self, vals):
existing_records = self.search([])
if len(existing_records) >1:
raise ValidationError(_("Cannot Create More Than 1 Record"))
res = super(ClassName, self).create(vals)
return res
Thanks
Hi Niyas, how to add a new button after the create button in Odoo16?
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