title: Legend Label Customizaton not working in Model Controller
body: <p>Based on the following <a href="http://jsfiddle.net/ezanker/s8mywm33/15/" rel="nofollow">implementation</a>, I could able to customize legend labels, it works when I put in my viewcontroller</p>
  
  <pre><code>series: [{
   field: "value",
   name :"#= group.items[0].fname || group.items[1].fname#" 
  }],
  </code></pre>
  
  <p>However, when I put in my model view controller, then it does not work.</p>
  
  <pre><code>chart.setDataSource(theDataSource);
  chart.options.series.name = "#= group.items[0].fname || group.items[1].fname#"
  chart.refresh();
  </code></pre>