title: Action (button) to open an existing form
body: <p>I have created a view which displays some informations.</p>
  
  <p>Also, on top of view I created an action bar containing 2actions: New entry &amp; Delete entry. There is also a form called 'formmain', where I have some fields &amp; listboxes where I insert the informations that will appear on the view.</p>
  
  <p>What I want to do and I ask for your help: I want when i click the action button 'New entry', the form called 'formmain' will open/be displayed. Thank you!</p>