/// <summary>
 /// this method checks with the data base if there are friends who needs to be greeted.
 /// If there are it initiates the m_WorkList
 /// </summary>
 /// <returns></returns>
 private bool serviceNeedsToWork()
 {
     bool result = false;
     DataBaseHandler db = new DataBaseHandler();
     m_GreetingJobs = db.GetFriendsOfApplicationUsersWithBirthdaysToday();
     if (m_GreetingJobs.Count != 0)
     {
         result = true;
     }
     else
     {
         result = false;
     }
     return result;
 }