private void detach_EventPhysicalActivities_ModifyPersonId(EventPhysicalActivity entity)
 {
     this.SendPropertyChanging("EventPhysicalActivities_ModifyPersonId");
     entity.Person_ModifyPersonId = null;
 }
 private void detach_EventPhysicalActivities(EventPhysicalActivity entity)
 {
     this.SendPropertyChanging("EventPhysicalActivities");
     entity.Event = null;
 }
 private void attach_EventPhysicalActivities_CreatePersonId(EventPhysicalActivity entity)
 {
     this.SendPropertyChanging("EventPhysicalActivities_CreatePersonId");
     entity.Person_CreatePersonId = this;
 }