title: How to update text in a component (ext.form.label) in pagebar of Ext JS Grid
body: <p>I have to add a label in Ext JS Grid PageBar for displaying a dynamic data. I added it. I need to update it when data changes. But its not overwriting the data in the label. Its creating new labels with new data in the pagebar.</p>
  
  <p>Here is my code</p>
  
  <pre><code>        listeners : {
              change : function(thisd, params){
                  var label = new Ext.form.Label({}); 
                  var count = Grid.getStore().getCount();
                  label.setText('(no : ' + count + ')');
                  Bbar.items.add(label);
                  Bbar.doLayout();
              }   
          }   
  </code></pre>
  
  <p>Any help is must appreciated...Thankz</p>