/// <summary>
        /// Loads the notification endpoints.
        /// </summary>
        /// <exception cref="System.InvalidOperationException">The Injection Property NotificationData Service has to be set.</exception>
        private void LoadNotificationEndpoints()
        {
            if (notificationDataServiceObj == null)
            {
                throw new InvalidOperationException("The Injection Property NotificationData Service has to be set.");
            }

            lstNotificationEndpoints = notificationDataServiceObj.LoadNotificationEndpoints();

            CleanUpNotificationEndpoints();
        }