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    <p>First reorganize this so that the <code>error_explanation</code> div exists on the page (so you can populate it with an error message... hide it with CSS if you need to)</p> <pre><code>&lt;div id="error_explanation"&gt; &lt;% if @user.errors.any? %&gt; &lt;h2&gt;&lt;%= pluralize(@user.errors.count, "error") %&gt; prohibited this user from being saved:&lt;/h2&gt; &lt;ul&gt; &lt;% @user.errors.full_messages.each do |msg| %&gt; &lt;li&gt;&lt;%= msg %&gt;&lt;/li&gt; &lt;% end %&gt; &lt;/ul&gt; &lt;% end %&gt; &lt;/div&gt; </code></pre> <p>Then you can add this bit of jQuery code to your existing <code>&lt;script&gt;</code> tag area:</p> <pre><code>// a method for parsing the JSON response handle_ajax_error = function(response) { try { var responseText = jQuery.parseJSON(response.responseText); } catch(e) { var responseText = null; } if (responseText !== null) { var responseMsg = responseText.error; } else { responseMsg = 'There was an unknown error or the request timed out. Please try again later'; } return responseMsg; } // callback for the ajax error on the #login form $('#login').live('ajax:error', function(data, xhr, response){ $('#error_explanation').html(handle_ajax_error(response)); }); </code></pre> <p>And then this assumes that you have something like this in your controller response for the error:</p> <pre><code>def create @user = User.create(params[:user]) if @user.save redirect_to user_path(@user) else render :json =&gt; { :error =&gt; @user.errors.full_messages.to_sentence }, :status =&gt; :unprocessable_entity end end </code></pre>
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    1. COA big sincere thank you, this is great.
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    2. COI will add that the jQuery method `live()` is deprecated and you should use `on()` instead.
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    3. CO@Lsdafjklsd Thanks! And thanks for the note about `live()`
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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