title: Nested grid with extjs 4
body: <p>I can put grid in the plugins of another grid.</p>
  
  <p>this is my grid and I want to put in the config 'plugins' ext grid.</p>
  
  <pre><code> var grid = new Ext.grid.GridPanel({
                      store: store,
                      columns: [
          { header: 'Customer Name', dataIndex: 'CustomerName', width: 212 },
          { header: 'Charge Date', dataIndex: 'ChargeDate', width: 212 },
          { header: 'Package Plan', dataIndex: 'PackagePlan', width: 212 },
          { header: 'Current Invoice Sum', dataIndex: 'CurrentInvoiceSum', width: 212 }
       ],
                      plugins: [{
                          ptype: 'rowexpander',
                          rowBodyTpl: ['&lt;div style="background-color:#CBDDF3; width:643px;margin-left:147px;margin-bottom: 20px;border: 1px solid;"&gt;',
              '&lt;p&gt;&lt;b&gt;Customer Details:&lt;/b&gt;&lt;br/&gt;{CustomerName}&lt;br/&gt; {CustomerAddress}, {CustomerPhone}, {CustomerEmail} &lt;/p&gt;',
                                  '&lt;p&gt;&lt;b&gt;Package Type:&lt;/b&gt; {PackagePlan}&lt;br/&gt;',
                                  '&lt;b&gt;Invoice Details:&lt;/b&gt;&lt;/p&gt;',
                     '&lt;div class="nestedO" id="{InvoiceId}"&gt;&lt;/div&gt; &lt;/div&gt;',
          ]
                      }],
                      width: 900,
                      height: 450,
                      renderTo: Ext.get('Ongoing')
                  });
  </code></pre>
  
  <p>Is it possible?</p>