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A time ago i've met the issue that Yii doesn't run any client-side form validation when submitting the form by CHtml::ajaxSubmitButton. The small javascript below helps to fix it.

Sometimes the active form we wish to use to edit/add a new element on our database is too small and we believe that is much better to use an AJAX'ed dialog/slide form rather than reloading the page to just display one or two fields.

With Yii you can use one CActiveForm for collecting data for two or more models with ajax validation and client validation.

In this simple example I'll demonstrate how to extend CActiveForm class to overload some drawing functions to achieve some commonly used fixes in forms.