title: how to do Json form MVC model
body: <p>I have this models, I try to serialize as Json</p>
  
  <pre><code>public class a
  {
      public String Name{ get; set; }
      public String LastName{ get; set; }
  }
  </code></pre>
  
  <p>I would to have a Json like this</p>
  
  <pre><code>{  
     id:1,
     name:'Name',
     description:'Erika'
  },
  {  
     id:2,
     name:'LastName',
     description:'Conor'
  },
  </code></pre>