partial void DeleteFM_User(FM_User instance);
 partial void UpdateFM_User(FM_User instance);
 private void detach_FM_Users(FM_User entity)
 {
     this.SendPropertyChanging();
     entity.FM_Role = null;
 }
 partial void InsertFM_User(FM_User instance);
 private void attach_FM_Users(FM_User entity)
 {
     this.SendPropertyChanging();
     entity.FM_Role = this;
 }