function print_add_form($cmclass)
{
$type = $this->optional_param('stype', '', PARAM_ALPHA);
$sort = $this->optional_param('sort', 'name', PARAM_ALPHANUM);
$dir = $this->optional_param('dir', 'ASC', PARAM_ALPHA);
$page = $this->optional_param('page', 0, PARAM_INT);
$perpage = $this->optional_param('perpage', 30, PARAM_INT);
// how many per page
$namesearch = trim($this->optional_param('search', '', PARAM_TEXT));
$alpha = $this->optional_param('alpha', '', PARAM_ALPHA);
$newstu = new student();
$newstu->classid = $cmclass->id;
echo $newstu->edit_form_html($cmclass->id, $type, $sort, $dir, $page, $perpage, $namesearch, $alpha);
}