title: How to get GridLookUpEdit's EditValue?
body: <p>I have a GridLookUpEdit and wath to get a edit value on  FocusedRowChanged event:</p>
  
  <pre><code>    private void gridView_FocusedRowChanged(object sender, DevExpress.XtraGrid.Views.Base.FocusedRowChangedEventArgs e)
      {
          var view = sender as GridView;
          if (view != null)
          {
              MessageBox.Show(view.GetRowCellValue(e.FocusedRowHandle, view.Columns[1]).ToString());
          }
      }
  </code></pre>
  
  <p>But here i get a error says that i out of column array. But i have a two columns, first column visible, second not visible.<br>
  Whats wrong here? And how can i get EditValue more correctly if possible?</p>