protected virtual void OnExpandedChanged(RadPageViewExpandedChangedEventArgs e)
        {
            EventHandler <RadPageViewExpandedChangedEventArgs> eventHandler = ExpandedChanged;

            if (eventHandler != null)
            {
                eventHandler(this, e);
            }
        }
 private void explorerBarElement_ExpandedChanged(
     object sender,
     RadPageViewExpandedChangedEventArgs e)
 {
     if (this.GridViewElement.UseScrollbarsInHierarchy)
     {
         return;
     }
     this.RowInfo.Height = -1;
     this.TableElement.ViewElement.UpdateRows(true);
 }