private void detach_MnStks(MnStk entity)
 {
     this.SendPropertyChanging("MnStks");
     entity.PrdMst = null;
 }
 private void attach_MnStks(MnStk entity)
 {
     this.SendPropertyChanging("MnStks");
     entity.PrdMst = this;
 }
 partial void UpdateMnStk(MnStk instance);
 partial void DeleteMnStk(MnStk instance);
 partial void InsertMnStk(MnStk instance);