private void detach_RbEventTypePurposes_ModifyPersonId(RbEventTypePurpose entity)
 {
     this.SendPropertyChanging("RbEventTypePurposes_ModifyPersonId");
     entity.Person_ModifyPersonId = null;
 }
 private void attach_RbEventTypePurposes_CreatePersonId(RbEventTypePurpose entity)
 {
     this.SendPropertyChanging("RbEventTypePurposes_CreatePersonId");
     entity.Person_CreatePersonId = this;
 }