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POHow update an attribute binded on a check box when clicking on it?
 

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  1. POHow update an attribute binded on a check box when clicking on it?
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    <p>First of all, thanks in advance for your attention : I am pretty noob in Rails and I am facing a problem that does not seem difficult but I have some troubles implementing it.</p> <p>Here is my question : I am displaying a list of "Recommendations" using the following partial : </p> <pre><code>&lt;table class="recommendations" summary="User recommendations"&gt; &lt;%= render @recommendations%&gt; &lt;/table&gt; </code></pre> <p>It calls the next partial for each of the dispayed "Recommendations" : </p> <pre><code>&lt;tr&gt; &lt;td class="recommendations"&gt; &lt;span class="content"&gt; &lt;%= wrap(recommendation.content)%&gt; &lt;/span&gt; &lt;span class="timestamp"&gt; Posted &lt;%=time_ago_in_words(recommendation.created_at)%&gt; ago. &lt;/span&gt; &lt;/td&gt; &lt;td&gt; &lt;%= form_for current_user.recommendations.find(:id =&gt; recommendation.id) do |f| %&gt; &lt;label&gt;Display&lt;/label&gt;&lt;%= f.check_box :displayed, :onclick =&gt; "update"%&gt; &lt;% end %&gt; &lt;/td&gt; &lt;/tr&gt; </code></pre> <p>So, I would like to bind the recommendation.displayed attribute in the checkbox and update automatically the recommendation resource when the checkbox is checked or not.</p> <p>For now, I can not access to the appropriate "recommendation" instance to pass to the form_for because I have the following error : </p> <pre><code>Unknown key(s): id </code></pre> <p>And then I am not sure that the </p> <pre><code>:onclick =&gt; "update" </code></pre> <p>will perform what I want to do : call the rest "PUT" method to update the resource in database.</p> <p>Could you please help me ?</p>
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