title: Paging in extjs grid
body: <p>I have a html page having  a div <code>id="grid-example"</code>.</p>
  
  <p>I referred a js file contains as following code</p>
  
  <pre><code>Ext.onReady(function () {
  
  var myData = [
      ['3m Co', 71.72, 0.02, 0.03, '9/1 12:00am'],
      ['Alcoa Inc', 29.01, 0.42, 1.47, '9/1 12:00am'],
      ['Altria Group Inc', 83.81, 0.28, 0.34, '9/1 12:00am'],
      ['American Express Company', 52.55, 0.01, 0.02, '9/1 12:00am'],
      ['American International Group, Inc.', 64.13, 0.31, 0.49, '9/1 12:00am'],
      ['AT&amp;T Inc.', 31.61, -0.48, -1.54, '9/1 12:00am'],
      ['Boeing Co.', 75.43, 0.53, 0.71, '9/1 12:00am'],
      ['Caterpillar Inc.', 67.27, 0.92, 1.39, '9/1 12:00am'],
      ['Citigroup, Inc.', 49.37, 0.02, 0.04, '9/1 12:00am'],
      ['E.I. du Pont de Nemours and Company', 40.48, 0.51, 1.28, '9/1 12:00am'],
      ['Exxon Mobil Corp', 68.1, -0.43, -0.64, '9/1 12:00am'],
      ['General Electric Company', 34.14, -0.08, -0.23, '9/1 12:00am'],
      ['General Motors Corporation', 30.27, 1.09, 3.74, '9/1 12:00am'],
      ['Hewlett-Packard Co.', 36.53, -0.03, -0.08, '9/1 12:00am'],
      ['Honeywell Intl Inc', 38.77, 0.05, 0.13, '9/1 12:00am'],
      ['Intel Corporation', 19.88, 0.31, 1.58, '9/1 12:00am'],
      ['International Business Machines', 81.41, 0.44, 0.54, '9/1 12:00am'],
      ['Johnson &amp; Johnson', 64.72, 0.06, 0.09, '9/1 12:00am'],
      ['JP Morgan &amp; Chase &amp; Co', 45.73, 0.07, 0.15, '9/1 12:00am'],
      ['McDonald\'s Corporation', 36.76, 0.86, 2.40, '9/1 12:00am'],
      ['Verizon Communications', 35.57, 0.39, 1.11, '9/1 12:00am']
  
  ];
  
  // create the data store
  var store = Ext.create('Ext.data.ArrayStore', {
  
      fields: [
         { name: 'company' },
         { name: 'price', type: 'float' },
         { name: 'change', type: 'float' },
         { name: 'pctChange', type: 'float' },
         { name: 'lastChange', type: 'date', dateFormat: 'n/j h:ia'}
      ],
     data: myData
  
  });
  
  // create the Grid
  //var pluginExpanded = true;
  var grid = Ext.create('Ext.grid.Panel', {
      store: store,
      stateful: true,
      stateId: 'stateGrid',
  
      columns: [
          {
              text: 'Company',
              flex: 1,
              sortable: true,
              dataIndex: 'company'
          },
  
          {
              text: 'Price',
              width: 75,
              sortable: true,
              //renderer: 'usMoney',
              dataIndex: 'price',
              menuDisabled: true //it will show/hide menu for sorting.
  
          },
  
          {
              text: 'Change',
              width: 75,
              sortable: true,
              dataIndex: 'change',
              menuDisabled: true //it will show/hide menu for sorting.
          },
  
          {
              text: '% Change',
              width: 75,
              sortable: true,
              dataIndex: 'pctChange'
          },
  
          {
              text: 'Last Updated',
              width: 185,
              sortable: true,
              renderer: Ext.util.Format.dateRenderer("d/M/yy"),
              dataIndex: 'lastChange'
          },
  
      ],
  
          bbar: Ext.create('Ext.PagingToolbar', {
              store: store,
              pageSize: 5,              
              displayInfo: true,
              displayMsg: 'Displaying topics {0} - {1} of {2}',
              emptyMsg: "No topics to display"
  
          }),
  
      height: 550,
      width: 600,
      title: 'Array Grid',
      renderTo: 'grid-example',
      viewConfig: {
      stripeRows: true
  
      }
  });
  
  });
  </code></pre>
  
  <p>I am getting the grid but paging is not working...please help me.`
  I want no. of rows should be 5 per page.</p>