How to empty an One2many field in Odoo
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The document explains how to empty a one2many field in Odoo 16 by using a 'delete record' button. Clicking this button triggers a function that deletes all records in the specified one2many field, either using the method [(5, 0, 0)] or the unlink() function. It also suggests refreshing the UI after deletion to confirm that all records have been removed.
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![• Here visa_approvals_ids is the one2many field.
• In this function we use [(5, 0, 0)] to delete all the records in the visa_approvals_ids.
• first we have records in the one2many field](https://image.slidesharecdn.com/howtoemptyanone2manyfieldinodoo-231127104424-3f09841c/85/How-to-empty-an-One2many-field-in-Odoo-4-320.jpg)
![• After updating the function just refresh the UI and click on the delete record button .Then
we can see all the records in the one2many has been deleted.
• So by using both [(5, 0, 0)] and unlink() we can delete the records in one2many.](https://image.slidesharecdn.com/howtoemptyanone2manyfieldinodoo-231127104424-3f09841c/85/How-to-empty-an-One2many-field-in-Odoo-7-320.jpg)
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How to empty an One2many field in Odoo
- 1. How to empty an One2many field in Odoo
- 2. In this slide we are discussing how to empty a one2many field in odoo 16.For that we are adding a button named ‘DELETE RECORD’ .So on clicking this button all the one2many records get removed.So lets see how it can be done.
- 3. • In the xml i have added a button with name ‘delete_record’ • So on clicking this button below function is executed
- 4. • Here visa_approvals_ids is the one2many field. • In this function we use [(5, 0, 0)] to delete all the records in the visa_approvals_ids. • first we have records in the one2many field
- 5. • Then when we click the button all the records get deleted
- 6. • We also have other method to delete all the data from one2many.that is by using unlink().Here we are updating the delete_record () as below:- • This function also delete all the records from the one2many
- 7. • After updating the function just refresh the UI and click on the delete record button .Then we can see all the records in the one2many has been deleted. • So by using both [(5, 0, 0)] and unlink() we can delete the records in one2many.
- 8. Check our company website for related blogs and Odoo book. https://www.youtube.com/watch?v=sqkMIpdy7V0