title: How load data from mySQL to JSON in EXTJS
body: <p>I create file in my store folder, i want load my data from mySQL to JSon, so this is my code:       </p>
  
  <pre><code>Ext.define('DWP3.store.konten.Coba', {
  extend: 'Ext.data.Store',
  alias: 'store.coba',
  uses: [
      'Ext.data.Store'
  ],
  
  initComponent: function(){
  
  var store = Ext.create('Ext.data.Store', {
          fields: [
             {name: 'periode'},
             {name: 'Teknik Informatika S1'},
          ],
          proxy: {
              type: 'ajax',
              url : 'resources/data/load2.php',
              reader: {
              type: 'json',
              rootProperty: 'view_aktif'
              }
          },
           autoLoad: true
      });
  
  }
     });
  </code></pre>
  
  <p>how can i load the data from store?
  Can You Help me Please. </p>