From: Oscar Del Ben <thehcdreamer@...>
Date: 2008-06-14T06:10:57+09:00
Subject: Re: validate a select (boolean)

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Try to pass to the validator :allow_blank => false

2008/6/13, Tahura Chaudhry <tahura@hotmail.com>:
>
> I am using
> Ruby Version: 1.8.4
> Rails Version: 1.2.2
>
> I have an issue regarding validation of a boolean field in my
> applicaiton.
>
> On the UI, I had to show a dropdown with options: "yes", "no" and ""
> (blank)
>
> My HTML view contains:
>
> <%= select 'guest', 'attending', [['Yes', true], ['No', false]],
> {:include_blank => true, :custom_label => 'Will you be attending?'}  %>
>
> The view is rendered correctly.
>
>
> The validation for this dropdown requires that blank is invalid.  Only
> "yes" or "no" are valid.
>
> My Model (guest.rb) contains:
>
> validates_inclusion_of (:attending, :in => [true, false])
>
> The Issue is:
>
> When I select blank in the UI dropdown component and post the form, the
> validation succeeds and when the form is redisplayed 'No' is selected in
> the dropdown.  I see that in the database (MySQL) attending column,
> false gets saved in that column.
>
> How do I make validation to fail when blank is selected in the dropdown.
>
> thanks,
>
> --
> Posted via http://www.ruby-forum.com/.
>
>

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