protected override void OnPreRender(EventArgs e)
{
base.OnPreRender(e);
MonitoredUpdatePanel commentsPanel = new MonitoredUpdatePanel();
commentsPanel.UpdatePanelID = SubtextMasterPage.CommentsPanelId;
PostBackRitalin pbr = new PostBackRitalin();
pbr.WaitText = "Submitting...";
pbr.MonitoredUpdatePanels.Add(commentsPanel);
this.Controls.Add(pbr);
}