Cgridview Ajax Update Problem After Exclusion

Hi guys.

I have a cgridview with pagination. The grid is rendered together the view using $this->render.

I have a button that execute delete operation:






Ok, after exclusion on the success event, i update the grid:


The first exclusion works, but after that, when i try exclude another item, the param that was passed to controller is the same of the item that was excluded!

What is happening ???