Row number in a Yii CGridView. The row number is that of the row in the data provider's overall data set.

Row number in a Yii CGridView.php

<?php

/** @var CController $controller */
$controller->widget(
    'zii.widgets.grid.CGridView',
    array(
        'columns' => array(
            array(
                'header' => 'Row',
                'value' => '$row + ($this->grid->dataProvider->pagination->currentPage
                    * $this->grid->dataProvider->pagination->pageSize)',
            ),
        )
    )
);