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Creating a dependent dropdown
Revision #7 was created by 
Michel Kogan on Sep 12, 2011, 7:27:42 PM.
change ajax to AJAX
Content
Often you'll need a form with two dropdowns, and one dropdown's values will be dependent on the value of the other dropdown. Using Yii's built-in ajaxAJAX functionality you can create such a dropdown. Below will be demonstrated how you can achieve this.
First the view with the form. We'll show a form that shows countries and dependent of the country selected will show cities.
```php
echo CHtml::dropDownList('country_id','', array(1=>'USA',2=>'France',3=>'Japan'),
First the view with the form. We'll show a form that shows countries and dependent of the country selected will show cities.
```php
echo CHtml::dropDownList('country_id','', array(1=>'USA',2=>'France',3=>'Japan'),
[...]