In line #96 from http://code.google.com/p/yii/source/browse/tags/1.1.7/framework/zii/widgets/grid/CDataColumn.php y suggest to set any attribute to achieve a custom text to the first blank option.
In line #96 from http://code.google.com/p/yii/source/browse/tags/1.1.7/framework/zii/widgets/grid/CDataColumn.php y suggest to set any attribute to achieve a custom text to the first blank option.