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This article explains how to easily turn standard text-line validation errors into beautifully and professionally looking Twitter Bootstrap's Popovers.

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.

This is a tutorial to work with radioButtonList which will handle enum datatype. Form design and validation both are detailed here.

A common source of confusion among new Yii users is how the 'safe' validator works, how it works with other validators, and why it's necessary in the first place. This article means to clear up this confusion, as well as explain the notion of Massive Assignment.

Checkboxes have two possible values, true and false, but some applications require that the user select one particular value before proceeding. Examples might be:

This is a reference to be used for Model rule validation and is compiled from the Yii documentation and code. The purpose is to have all the information gathered in one place instead of scattered. This reference is not an intro. See The Definitive Guide to Yii, Declaring Validation Rules for a tutorial.