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[Apostle]

I could not do it. Approximate my PHP code:

...



function index()

{

    $crud = new grocery_CRUD();



    ...



   // $crud->callback_after_delete(array($this, 'delete_error_number'));

   $crud->callback_before_delete(array($this, 'delete_error_number'));



   ....



   $output = $crud->render();



   foreach($output->css_files as $file)

      $this->data['link'] .= link_tag(str_replace(base_url(), '', $file))."\n";

   foreach($output->js_files as $file)

      $this->data['script'] .= script_tag(str_replace(base_url(), '', $file))."\n";

   $this->data['output'] = $output->output;



   $this->load->view('templates/header', $this->data);

   $this->load->view('templates/menu', $this->data);

   $this->load->view('myview.php', $this->data);

}



function delete_error_number($primary_key)

{

   ...

   if ($error_number == $x)

   {

      $this->form_validation->set_message('delete_error_message', $primary_key.' To ensure reference (referential, relational, many-to-one     relationship) integrity of the database can not be removed. This field is used in the child table.');

      return FALSE;

   }

   else

      return TRUE;

}

...

I like the quick response ;-)