title: Ext JS 4: Unable to see dynamic data for comboxbox
body: <p>I am trying to render editable combo inside the grid. Below is my code snippet</p>
  
  <pre><code>columns: [
           {
               text     : 'Account Name',
               name      : 'accountName', 
               width     : 80,    
               flex     : 4,                                      
               sortable : true,
               dataIndex: 'accountName'
            },
            {
               text     : 'Account Number',
                   name      : 'accountNumber',
               flex     : 2,                                        
               sortable : false,                               
               dataIndex: 'accountNumber',
               editor      : {'combobox',
                       typeAhead       : true,
                       selectOnTab     : true,
                       lazyRender      : true,
                       triggerAction   : 'all',
                       listClass       : 'x-combo-list-small',
                        queryMode       : 'local',
                        store           : emptyStore,
  
              },                                              
  
                      displayField    : 'acctNumber',
                      valueField      : 'acctNumber',
                      listeners: {
                              afterrender: function(comboField, eOpts)
                               {
                                  // have to add two sub accounts - 1. account number of column 2.account number of column + "1" 
                                 // first try with hard coded values
            var employeesStore = new Ext.data.ArrayStore({
  
            fields:['acctNumber'],
            data:[{acctNumber: '123456'},{acctNumber: '23456'}]
            })
  
           comboField.bindStore(employeesStore);
              }  
             }
  
           }
  
  
  
        },
  </code></pre>
  
  <p>But, when I run, I get the drop down with two empty lines</p>
  
  <p>Can someone help me?</p>
  
  <p>Thanks
  Tharahan</p>