Hi Yii!! I use a [color="#00BFFF"]"_comment_form.php"[/color] in the [color="#9ACD32"]"actionView"[/color] of [color="#00BFFF"]"ProjectController.php"[/color] for the comments of the users.

[color="#9ACD32"]"actionView"[/color]
public function actionView($id)
	{
                $project=$this->loadModel($id);
		$comment=$this->actionComment_form($project);
                $this->render('view',array(
			'model'=>$project,
			'comments'=>$comment,
                ));
	}
[color="#00BFFF"]"_comment_form.php"[/color]
<?php /** @var BootActiveForm $form */
    $form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
    'id'=>'comments-_comment_form-form',
    'htmlOptions'=>array('class'=>'well'),
    'type'=>'horizontal',
)); ?>
    <fieldset>
        <legend>Send a comment</legend>
        <p>Fields with <span class="required">*</span> are required.</p>
        <?php echo $form->errorSummary($model); ?>
        <?php echo $form->textFieldRow($model, 'title', array('class'=>'span3')); ?>
        <?php echo $form->textAreaRow($model, 'content', array('class'=>'span3', 'rows'=>3)); ?>
    </fieldset>
    <?php $form->widget('bootstrap.widgets.TbButton', array('buttonType'=>'submit', 'type'=>'primary', 'label'=>'Comment')); ?>
<?php $this->endWidget(); ?>
[color="#9ACD32"]"actionComment_form"[/color]
public function actionComment_form($project)
        {
            $comment=new Comments;
            if(isset($_POST['Comments']))
            {
                $comment->attributes=$_POST['Comments'];
                $comment->comment_project=$project->id;
                $comment->comment_user=Yii::app()->user->data()->id;
                if($project->addComment($comment))
                {
                    Yii::app()->user->setFlash('success', '<strong>Sended!</strong> Thanks.');
                    $this->refresh();
		} else {
                    Yii::app()->user->setFlash('error', '<strong>Oh snap!</strong> Change a few things up and try submitting again.');
                    $this->refresh();
                }
            }
            
            return $comment;
        }
[color="#00BFFF"]"view.php"[/color]
<?php
$this->breadcrumbs=array(
	'Projects'=>array('index'),
	$model->title,
);
$this->menu=array(
	array('label'=>'List Projects', 'url'=>array('index')),
	array('label'=>'Create Projects', 'url'=>array('create')),
	array('label'=>'Update Projects', 'url'=>array('update', 'id'=>$model->id)),
	array('label'=>'Delete Projects', 'url'=>'#', 'linkOptions'=>array('submit'=>array('delete','id'=>$model->id),'confirm'=>'Are you sure you want to delete this item?')),
	array('label'=>'Manage Projects', 'url'=>array('admin')),
);
?>
<h1>View Projects (<?php echo $model->title; ?>)</h1>
<?php
    $this->widget('bootstrap.widgets.TbDetailView', array(
        'data'=>$model,
        'type' => 'striped',
        'attributes'=>array(
            array('name'=>'id'),
            array('name'=>'title'),
            array('name'=>'description'),
            array('name'=>'date'),
            array('name'=>'project_user'),
        ),
    ));
?>
<?php if(Yii::app()->user->hasFlash('success')||Yii::app()->user->hasFlash('error')):?>
    <?php $this->widget('bootstrap.widgets.TbAlert', array(
        'block'=>true, // display a larger alert block?
        'fade'=>true, // use transitions?
        'closeText'=>'×', // close link text - if set to false, no close link is displayed
        'alerts'=>array( // configurations per alert type
            'success'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
            'error'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
        ),));
    ?>
<?php endif; ?>
<div id="project_comment">
    <?php
        $comment=new Comments;
        echo $this->renderPartial('_comments', array('model'=>$model));
        echo $this->renderPartial('_comment_form', array('model'=>$comment));
    ?>
	
</div>
<div style="clear: both;"> </div>
And it works. Also, the projects [color="#00FF00"]HAS_MANY[/color] "Tags", so i tried with the same way, [color="#00BFFF"]"_tags_form.php"[/color] in the [color="#9ACD32"]"actionView"[/color] of [color="#00BFFF"]"ProjectController.php"[/color], and it works too, the [color="#00BFFF"]"_comment_form.php"[/color] and the [color="#00BFFF"]"_tags_form.php"[/color].

[color="#9ACD32"]"actionView"[/color]
public function actionView($id)
	{
                $project=$this->loadModel($id);
		$comment=$this->actionComment_form($project);
                $tag=$this->actionTag_form($project);
                $this->render('view',array(
			'model'=>$project,
			'comments'=>$comment,
                        'tag'=>$tag,
                ));
	}
[color="#00BFFF"]"_tag_form.php"[/color]
<?php /** @var BootActiveForm $form */
    $form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
    'id'=>'tags-_tags_form-form',
    'htmlOptions'=>array('class'=>'well'),
    'type'=>'horizontal',
)); ?>
    <fieldset>
        <legend>Assign a tag</legend>
        <?php echo $form->errorSummary($model); ?>
        <?php echo $form->textFieldRow($model, 'tag', array('class'=>'span3')); ?>
        <?php $form->widget('bootstrap.widgets.TbButton', array('buttonType'=>'submit', 'type'=>'primary', 'label'=>'Send')); ?>
    </fieldset>
<?php $this->endWidget(); ?>
[color="#9ACD32"]"actionComment_form"[/color]
 public function actionTag_form($project)
        {
            $tag=new Tags;
            if(isset($_POST['Tags']))
            {
                $tag->attributes=$_POST['Tags'];
                $tag->attributes=$tags->attributes;
                $tag->tag_project=$project->id;
                if(!$project->addTag($tag))
                {
                    Yii::app()->user->setFlash('success', '<strong>Sended!</strong> Thanks.');
                    $this->refresh();
		} else {
                    Yii::app()->user->setFlash('error', '<strong>Oh snap!</strong> Change a few things up and try submitting again.');
                    $this->refresh();
                }
            }
            
            return $tag;
        }
[color="#00BFFF"]"view.php"[/color]
<?php
$this->breadcrumbs=array(
	'Projects'=>array('index'),
	$model->title,
);
$this->menu=array(
	array('label'=>'List Projects', 'url'=>array('index')),
	array('label'=>'Create Projects', 'url'=>array('create')),
	array('label'=>'Update Projects', 'url'=>array('update', 'id'=>$model->id)),
	array('label'=>'Delete Projects', 'url'=>'#', 'linkOptions'=>array('submit'=>array('delete','id'=>$model->id),'confirm'=>'Are you sure you want to delete this item?')),
	array('label'=>'Manage Projects', 'url'=>array('admin')),
        array('label'=>'Add Tags', 'url'=>array('addTag', 'id'=>$model->id)), // New Menu item
);
?>
<h1>View Projects (<?php echo $model->title; ?>)</h1>
<?php
    $this->widget('bootstrap.widgets.TbDetailView', array(
        'data'=>$model,
        'type' => 'striped',
        'attributes'=>array(
            array('name'=>'id'),
            array('name'=>'title'),
            array('name'=>'description'),
            array('name'=>'date'),
            array('name'=>'project_user'),
        ),
    ));
?>
<?php if(Yii::app()->user->hasFlash('success')||Yii::app()->user->hasFlash('error')):?>
    <?php $this->widget('bootstrap.widgets.TbAlert', array(
        'block'=>true, // display a larger alert block?
        'fade'=>true, // use transitions?
        'closeText'=>'×', // close link text - if set to false, no close link is displayed
        'alerts'=>array( // configurations per alert type
            'success'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
            'error'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
        ),));
    ?>
<?php endif; ?>
<?php
    $tag=new Tags;
    echo $this->renderPartial('_tags', array('model'=>$model));
    echo $this->renderPartial('_tag_form', array('model'=>$tag));
?>
<div id="project_comment">
    <?php
        $comment=new Comments;
        echo $this->renderPartial('_comments', array('model'=>$model));
        echo $this->renderPartial('_comment_form', array('model'=>$comment));
    ?>
	
</div>
<div style="clear: both;"> </div>
But what i really need is to show the [color="#00BFFF"]"_comment_form.php"[/color] and the [color="#00BFFF"]"_tags_form.php"[/color] in separated views.
One way is to show the [color="#00BFFF"]"_tags_form.php"[/color] inside [color="#00BFFF"]"_form.php"[/color], i tried but the [color="#00BFFF"]"_tags_form.php"[/color] doesn’t save.

"[color="#00BFFF"]_form.php[/color]"
<?php /** @var BootActiveForm $form */
        $form = $this->beginWidget('bootstrap.widgets.TbActiveForm', array(
            'id'=>'projects-form',
            'htmlOptions'=>array('class'=>'well'),
            'type'=>'horizontal',
        )); 
    ?>
    <fieldset>
        <p>Fields with <span class="required">*</span> are required.</p>
	<?php echo $form->errorSummary($model); ?>
        
        <?php echo $form->textFieldRow($model, 'title', array('class'=>'span3')); ?>
        <?php echo $form->textAreaRow($model, 'description', array('class'=>'span3', 'rows'=>3)); ?>
        <?php
            $tags=new Tags;
            echo $this->renderPartial('_tags', array('model'=>$model));
            echo $this->renderPartial('_tag_form', array('model'=>$tags));
            echo $this->renderPartial('_tags_admin', array('model'=>$model));
        ?>
    <?php $form->widget('bootstrap.widgets.TbButton', array('buttonType'=>'submit', 'type'=>'primary', 'label'=>($model->isNewRecord ? 'Create' : 'Save'))); ?>
<?php $this->endWidget(); ?>
So i thought embbed the [color="#00BFFF"]"_tags_form.php"[/color] in a other view, similar to [color="#00BFFF"]"view.php"[/color], then, i copied the [color="#00BFFF"]"view.php"[/color] content to [color="#00BFFF"]"addTag.php"[/color] and copied the [color="#9ACD32"]"actionView"[/color] to [color="#9ACD32"]"actionAddTag"[/color] of [color="#00BFFF"]"ProjectController.php"[/color], and i added to the [color="#00BFFF"]"view.php"[/color] menu a item "addTag"
array('label'=>'Add Tags', 'url'=>array('addTag', 'id'=>$model->id))
[color="#9ACD32"]"actionAddTag"[/color]
public function actionAddTag($id)
	{
                $project=$this->loadModel($id);
		$tag=$this->actionTag_form($project);
                $this->render('addTags',array(
			'model'=>$project,
        		'tag'=>$tag,
                ));
	}
[color="#00BFFF"]"addTag.php"[/color]
<?php
$this->breadcrumbs=array(
	'Projects'=>array('index'),
	$model->title.' Add Tags',
);
$this->menu=array(
	array('label'=>'List Projects', 'url'=>array('index')),
	array('label'=>'Create Projects', 'url'=>array('create')),
	array('label'=>'Update Projects', 'url'=>array('update', 'id'=>$model->id)),
	array('label'=>'Delete Projects', 'url'=>'#', 'linkOptions'=>array('submit'=>array('delete','id'=>$model->id),'confirm'=>'Are you sure you want to delete this item?')),
	array('label'=>'Manage Projects', 'url'=>array('admin')),
);
?>
<h1>View Projects (<?php echo $model->title; ?>)</h1>
<?php
    $this->widget('bootstrap.widgets.TbDetailView', array(
        'data'=>$model,
        'type' => 'striped',
        'attributes'=>array(
            array('name'=>'id'),
            array('name'=>'title'),
            array('name'=>'description'),
            array('name'=>'date'),
            array('name'=>'project_user'),
        ),
    ));
?>
<?php echo $this->renderPartial('_tags', array('model'=>$model)); ?>
<?php if(Yii::app()->user->hasFlash('success')||Yii::app()->user->hasFlash('error')):?>
    <?php $this->widget('bootstrap.widgets.TbAlert', array(
        'block'=>true, // display a larger alert block?
        'fade'=>true, // use transitions?
        'closeText'=>'×', // close link text - if set to false, no close link is displayed
        'alerts'=>array( // configurations per alert type
            'success'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
            'error'=>array('block'=>true, 'fade'=>true, 'closeText'=>'×'), // success, info, warning, error or danger
        ),));
    ?>
<?php endif; ?>
<?php
    $tags=new Tags;
    echo $this->renderPartial('_tags_form', array('model'=>$tags));
?>
<div style="clear: both;"> </div>
The problem is that this new “Add Tag” menu item in [color="#00BFFF"]“view.php”[/color] don’t link to the [color="#00BFFF"]“viewAddTag.php”[/color] view, it show an error [color="#FF0000"]403[/color]. At this point, i tested rendering the [color="#00BFFF"]“addTag.php”[/color] view in the [color="#9ACD32"]“actionView”[/color] and this works! This show the new [color="#00BFFF"]“addTag.php”[/color]
[color="#9ACD32"]"actionView"[/color]
public function actionView($id)
	{
                $project=$this->loadModel($id);
                $tag=$this->actionTag_form($project);
                $this->render('addTag',array( // This show the 'addTag.php' when clic to view a project
			'model'=>$project,
                        'tag'=>$tag,
                ));
	}
Where is the problem? is the item menu?
array('label'=>'Add Tags', 'url'=>array('addTag', 'id'=>$model->id))
Or the [color="#00BFFF"]"addTag.php"[/color]? Or [color="#9ACD32"]"actionAddTag"[/color]?
How can i solve it?
Thanks Yii!!