private void detach_RbBloodTypes_ModifyPersonId(RbBloodType entity)
 {
     this.SendPropertyChanging("RbBloodTypes_ModifyPersonId");
     entity.Person_ModifyPersonId = null;
 }
 private void attach_RbBloodTypes_CreatePersonId(RbBloodType entity)
 {
     this.SendPropertyChanging("RbBloodTypes_CreatePersonId");
     entity.Person_CreatePersonId = this;
 }