function proc($request_type = '')
{
$this->load->helper('url');
if ($action = Datagrid::getPostAction()) {
$error = "";
switch ($action) {
case 'delete':
if (!$this->Datagrid->deletePostSelection()) {
$error = 'Items could not be deleted';
}
break;
}
if ($request_type != 'ajax') {
$this->load->library('session');
$this->session->set_flashdata('form_error', $error);
redirect('test/index');
} else {
echo json_encode(array('error' => $error));
}
} else {
die("Bad Request");
}
}