Use JsonReader as the Store reader

 


<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>

</head>
<body>
<script type="text/javascript">
Ext.onReady(function() {
        var values = new Ext.data.Store({
            reader: new Ext.data.JsonReader({
                fields: ['id', 'name'],
                root: 'rows'
            }),
            proxy: new Ext.data.HttpProxy({
                url: 'data.php'
            }),
            autoLoad: true
        });
        
    new Ext.FormPanel({ 
      url: 'your.php',
      renderTo: Ext.getBody(),
      frame: true,
      title: 'Title',
      width: 550,
      items: [ 
                {
            xtype: 'combo',
            name: 'value',
            fieldLabel: 'Value',
            mode: 'local',
            store: values,
            displayField:'name',
                    valueField: 'id',
            width: 130
          }
      ]
    });


});
</script> 
<div id='div1'>asdf</div>
</body>
</html>

Use JsonReader as the Store reader : JsonReader « Ext JS « JavaScript DHTML

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