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 htmlOptions attribute, which is normally not possible, to generate for example the tag <td id="3" class="name_3">, where 3 is the id of the data model for the current row, i.e. $data->id. That is, we want to be able to use:
Here's a way to accomplish this...
In an application I had a CGridView with a CButtonColumn and for an Ajax-Request I needed to make sure that the IDs of the buttons would not change when the GridView was updated so in effect I wanted to link them to the $data->id.
So I tried: