title: Extjs4, Select grid row and fireEvent rowClick?
body: <p>I need to select grid row and fireEvent for rowClick after reload grid.</p>
  
  <p>I tried like this,</p>
  
  <pre><code>var orderNo = 777;
  // do reload grid
  
  var gridLen = mygrid.store.getCount(); // it return 10
  
  for (var i = 0; i &lt; gridLen; i++) {
      if (pickno == mygrid.store.getAt(i).get("orderNo").trim()) {
      //mygrid.getSelectionModel().selectRow(i);
      this.getOrderGrid().getSelectionModel().getSelection()[i];
      mygrid.fireEvent('itemclick', mygrid, i, mygrid.store.getAt(i));
      }
  }
  </code></pre>
  
  <p>but, it does not work.</p>
  
  <p>anybody know how to select grid row, and run fireEvent?</p>
  
  <p>Thank you!</p>