want to make form readonly based on condition

Question

when user selects anyother value rather than nil i want to make form readonly so i used this but it is not working if anyone have idea please help me here is my code <sheet readonly="state !='nil'">

python code: state = fields.Selection([

('nil', 'Nil'),

('open', 'open'),

('in_progress', 'In Progress'),

('resolved', 'Resolved'),

('closed', 'Closed')

], string="Status", default="nil")

Anas Ouasmi · Accepted Answer

ADD ATTR READONLY TO YOUR XML FILE

Niyas Raphy (Walnut Software Solutions) · Answer

Hi,
You have to add readonly condition to every node/fields in the form, you cannot generically add it to sheet tag.
Either you can apply to all fields directly or using python methods, you can do it.
Thanks

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