/// <summary>
    /// Handles clear button action.
    /// </summary>
    protected void HeaderActions_ActionPerformed(object sender, CommandEventArgs e)
    {
        if (e.CommandName.Equals("clear", StringComparison.InvariantCultureIgnoreCase))
        {
            if (!MembershipContext.AuthenticatedUser.IsAuthorizedPerResource("CMS.EventLog", "ClearLog"))
            {
                RedirectToAccessDenied("CMS.EventLog", "ClearLog");
            }

            UserInfo ui = MembershipContext.AuthenticatedUser;

            // Deletes event logs of specific site from DB
            EventLogHelper.ClearEventLog(ui.UserID, ui.UserName, RequestContext.UserHostAddress, siteID);

            eventLog.ReloadData();
        }
    }