/// <summary>
        ///     The standard event handler for ApplicationEvent events.
        /// </summary>
        /// <seealso cref="T:BaseClasses.IEventProducer" />
        /// <seealso cref="T:BaseClasses.ApplicationEventArgs" />            
        public override void OnApplicationEvent(ApplicationEventArgs args)
        {
            if (ApplicationEventArgs.EventTypes.UpdateData == args.EventType)
            {
                if (!this.Same_As_Permanent_Addr.Checked)
                {
                    if ((MailingZipCode.Text.Length > 0) &amp;&amp; (MailingAddress.Text.Length > 0)
                        &amp;&amp; (MailingCity.Text.Length > 0) &amp;&amp; (MailingState.SelectedIndex > 0))
                    {
                        base.OnApplicationEvent(args);
                    }
                    else
                    {
                        MiscUtils.RegisterJScriptAlert(this, "CANNOT_SAVE_MESSAGE", "Please fill out the Mailing Address.");
                        return;
                    }
                }
            }
        }