title: Hide Empty Datatable PrimeFaces
body: <p>I work on glassfish 3.1 with Primefaces. And i need to hide a dataTable if she is empty for display a error message.</p>
  
  <p>But i can't hide a DataTable in the view.</p>
  
  <p>Anyone can give me an exemple for help me ?</p>
  
  <p>Thanks</p>