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PHP YII Change the Row Color Based on the Column value in CGridView [rowCssClassExpression]

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Belows is how you can use CGridView 'rowCssClassExpression' to change row color based on a column's value:
$this->widget('zii.widgets.grid.CGridView', array(
    'dataProvider'=>$dataProvider,
    'rowCssClassExpression'=>'($data->column_name==0)?"new":"old"',
    'columns'=>array(
    ...
    ),
));
You can also call a custom php function, and pass the $data variable to it. That function should return the class name for the given row :)

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