jQuery Grid Plugin - jqGrid

Hi, everyone, im having trouble setting up the multi grouping with the new grid update, i cant seem to make it work, this is the gridoptions i have set, is there something missing or is there something wrong i've been stuck for days, and i've reading other related issues and i cant get the multi grouping to work.. any help will be fully appreciated! thanks!

$grid->setGridOptions(array(
                "sortable"=>true,
                "height"=>400,
                "shrinkToFit"=>false,
                "rowNum"=>1000,
                "grouping"=>true,
                "groupingView"=>array(
                                "groupField"=>array("n00285company","n00200estatus"),
                                "groupColumnShow"=>array(true,true),
                                "groupText"=>array('<b>{0} ({1})</b>'),
                                "groupDataSorted"=>true,
                                "groupCollapse"=>false
                            )
                ));