public static function listData()
{
$allGroup = Group::paginate(Config::get('system.pagination'));
$datagrid = new Datagrid();
$datagrid->setFields(array('group_name' => Str::upper(Lang::line('admin.datagroup')->get())));
$datagrid->setAction(Lang::line('global.manage')->get(), 'datacontent', false);
$datagrid->setAction(Lang::line('global.edit')->get(), 'editGroup', true, array('dmid'));
$datagrid->setAction(Lang::line('global.delete')->get(), 'deleteGroup', true, array('dmid', 'group_name'));
$datagrid->setTable('dataGroup', 'table table-bordered table-hover table-striped table-condensed');
$datagrid->build($allGroup, 'dmid');
return $datagrid->render();
}