title: extJs:Can prroperty grid custom render an array value?
body: <p>I try to set a field value to a value which is type of array, but the grid can't display the row. my test codes shows below:</p>
  
  <pre><code>Ext.onReady(function()
  {
      new Ext.grid.property.Grid(
      {
          customRenderers:{Test:function(v)
          {
              return Ext.Array.sum(v);
          }},
          source:{Test:[1,2,3]},
          renderTo:Ext.getBody()
      });
  });
  </code></pre>
  
  <p>But if the field value is other type, the row is shown.</p>
  
  <pre><code>Ext.onReady(function()
  {
      new Ext.grid.property.Grid(
      {
          customRenderers:{Test:function(v)
          {
              return Ext.Array.sum(v);
          }},
          source:{Test:6},
          renderTo:Ext.getBody()
      });
  });
  </code></pre>
  
  <p>Can prroperty grid custom render an array value?</p>
  
  <p>Thank you for any help in advance!</p>