jquery grid 怎样刷新表格

jQuery('#grid').jqGrid('clearGridData');
jQuery('#grid').jqGrid('setGridParam', {data: dataToLoad});
jQuery('#grid').trigger('reloadGrid');

<script>
  $(document).ready(function() {
    $("#submit").click(function(e) {
      e.preventDefault();
      myGrid.trigger('reloadGrid');
    }); 
  });

var url="${servicesUrl}/projects";

var myGrid = $("#projectList").jqGrid({
    url: url,
    datatype: 'json',
    mtype: 'GET',  
    // ...
});
</script>