// Toggles read status of notifications
        protected void BtnOnNotif_Click(object sender, EventArgs e)
        {
            var lbl  = (LinkButton)sender;
            var item = (ListViewItem)lbl.NamingContainer;
            int id   = Convert.ToInt32(((Label)item.FindControl("lblID")).Text);

            NotificationBL.ToggleReadNotification(id);
            FillNotifications();
        }