how to change view, update and delete url on action column in yii2
<p>I have create action on update and view in controller, but this action does not change on action column in index page</p>

<pre><code> public function actionLeadView($id){
   $id =  $_GET['id'];
   $model = Leads::findOne($id);
   return $this-&gt;render('viewlead', [
            'model' =&gt; $model,
        ]);
 }    
 public function actionLeadUpdate($id){
   $id =  $_GET['id'];
   $model = Leads::findOne($id);
   date_default_timezone_set("Asia/Kolkata");
   $date = date('Y/m/d H-i-sa');       
    if ($model-&gt;load(Yii::$app-&gt;request-&gt;post())) {
      $model-&gt;modified = $date;
      if($model-&gt;validate()){
         $model-&gt;save();
         return $this-&gt;redirect(['viewlead', 'id' =&gt; $model-&gt;id]);                
            }else {
            return $this-&gt;render('updatelead', [
                'model' =&gt; $model,
            ]);
      }    
   } 
   else 
   {
        return $this-&gt;render('updatelead', [
            'model' =&gt; $model,
        ]);
 }
}
</code></pre>