public static void Delete(Agency agency)
        {
            EntityList<Entity> changedEntities = new EntityList<Entity>();
            foreach(Contact contact in agency.Contacts)
            {
                changedEntities.Add(contact);
                contact.Delete();
            }
            foreach(Note note in agency.Notes)
            {
                changedEntities.Add(note);
                note.Delete();
            }
            foreach(AgencyClients agencyclient in agency.Clients)
            {
                changedEntities.Add(agencyclient);
                agencyclient.Delete();
            }
            foreach(Address address in agency.Addresses)
            {
                changedEntities.Add(address);
                address.Delete();
            }
            changedEntities.Add(agency);
            agency.Delete();
            mPersManager.SaveChanges(changedEntities);
        }