Backoffice Grid Views often list information like Posts for a blog while showing at the same time linked information like the User who wrote that post. For more efficiency, it is appropriate that the User is displayed as a link to the User detail page.
For each column of the CGridView, we can specify name, value, htmlOptions, cssClassExpression etc. In the declarations of the attributes value and cssClassExpression we can use the "special" variable $data, for example like this: 'value'=>'$data->author->username',.
Now we might want to use $data in the declaration of the `...