jQuery Grid Plugin - jqGrid

i can't make ondblClickRow inside loadComplete:

        width: 123,
        loadComplete : function() {

            // doesn't work
            jQuery('#activeImages').jqGrid('setGridParam',{ondblClickRow: function() { alert('Doesn't work'); }});
        },

        // works fine
        ondblClickRow: function(id){ alert("You double click row with id: "+id);},
        onSelectRow : function(id) {
       ...