private void detach_RbUnits_ModifyPersonId(RbUnit entity)
 {
     this.SendPropertyChanging("RbUnits_ModifyPersonId");
     entity.Person_ModifyPersonId = null;
 }
 private void attach_RbUnits_CreatePersonId(RbUnit entity)
 {
     this.SendPropertyChanging("RbUnits_CreatePersonId");
     entity.Person_CreatePersonId = this;
 }