how to return the form validation back in cakePHP

[rateal]

i need to return the form validation because i lost it after submitting i'm on News/view/30 ---view a report details----in that page we have add comment Form :\[code\] <h2>Add comment</h2> <?php echo $this->Form->create("Comment", array( 'url' => array('controller' => 'Comments', 'action' => 'add') )); echo $this->Form->label("name"); echo $this->Form->input("name", array("label" => false, "class" => "textfield")); echo $this->Form->label("email"); echo $this->Form->input("email", array("label" => false, "class" => "textfield")); echo $this->Form->label("text"); echo $this->Form->textarea("text", array("label" => false)); echo $this->Form->input("object_id", array("type" => "hidden", "value" => $data['News']['id'])); echo $this->Form->input("type", array("type" => "hidden", "value" => "news")); echo $this->Html->Link("Add Comment", "#", array("class" => "add_button", "onclick" => "$('#CommentViewForm').submit()")); echo $this->Form->end(); ?> \[/code\]the form is submiting on Comment controller :in comment/add :\[code\] $isSuccess = $this->Comment->save($this->request->data); if ($isSuccess) { $this->Session->setFlash('your Comments has been added successfully and pending admin aproval.thanks ', 'default', array(), 'good'); } else { $this->Session->setFlash('Failed to add your comment: <br/>Fill all the required fileds <br/>type correct Email', 'default', array(), 'bad'); } $this->redirect(array("controller" => "News", "action" => "view", $id));\[/code\]i did some validation rules on name,email and the comment itselfwhen there are errors in user inputs return to add Comment Form but didnt show the errors as usual i hope you understand me very well, and i wait your helpthank alot