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Display an AJAX tree from your DB using CTreeView

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Display an AJAX tree from your DB using CTreeView

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When sending the JSON-encoded result, there's a little trick: the javascript wants the `hasChildren` attribute to be a boolean. But the SQL result just contains 0 or 1, so we have to convert it, at least for the "false" case. Instead of operating on the string result, one could modify the PHP array with a `foreach`.

The `exit()` might not be necessary, but if you enabled the logs to Firebug, then Yii will write some JS at the end of your response, and it will break your AJAX.

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[Chinese version](http://
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Viewed: 59 782 times
Version: 1.1
Category: Tutorials
Written by: François Gannaz
Last updated by: François Gannaz
Created on: Apr 7, 2010
Last updated: 5 years ago
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