private void detach_Quotings_ModifyPersonId(Quoting entity)
 {
     this.SendPropertyChanging("Quotings_ModifyPersonId");
     entity.Person_ModifyPersonId = null;
 }
 private void attach_Quotings_CreatePersonId(Quoting entity)
 {
     this.SendPropertyChanging("Quotings_CreatePersonId");
     entity.Person_CreatePersonId = this;
 }