When you disable a field in HTML, the browser does not submit a value for 
it. However, SQLFORM is still expecting a value (it doesn't know you 
disabled the field, so doesn't treat it as a readonly field). You could add 
the field's default value to request.post_vars before form processing, or 
you could write a custom validator for the field that automatically 
replaces the submitted value with the field's default in case the submitted 
value is None.

Anthony

On Sunday, July 26, 2015 at 12:11:30 PM UTC-4, Annet wrote:
>
> In a form I have some drop downs that I want to be rendered writable = 
> false
> readable = true The following code renders them correctly:
>
> db[table].navID.widget = lambda f, v: SQLFORM.widgets.options.widget(f, v, 
> _disabled=True)
>
> , however, when I submit the form, the validators on the drop downs 
> prevent the form from
> validating, i.e. an error message displays: 'select a value' and the value 
> in the drop down 
> changes to 'select a value'.
>
> Is there a way to solve this issue?
>
>
> Kind regards,
>
> Annet
>
>
>

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