code: function () {
          var self = this;
  
          return (
            '<div id="' + self._id + '" class="' + self.classes + '">' +
            self._getDataPathHtml(self.state.get('row')) +
            '</div>'
          );
        }
docs: Renders the control as a HTML string.
  
  @method renderHtml
  @return {String} HTML representing the control.