private void detach_RbActivities_ModifyPersonId(RbActivity entity)
{
this.SendPropertyChanging("RbActivities_ModifyPersonId");
entity.Person_ModifyPersonId = null;
}
private void attach_RbActivities_CreatePersonId(RbActivity entity)
{
this.SendPropertyChanging("RbActivities_CreatePersonId");
entity.Person_CreatePersonId = this;
}