private void detach_CrlPrds(CrlPrd entity)
 {
     this.SendPropertyChanging("CrlPrds");
     entity.CrlPrdMst = null;
 }
 private void attach_CrlPrds(CrlPrd entity)
 {
     this.SendPropertyChanging("CrlPrds");
     entity.CrlPrdMst = this;
 }
 partial void UpdateCrlPrd(CrlPrd instance);
 partial void DeleteCrlPrd(CrlPrd instance);
 partial void InsertCrlPrd(CrlPrd instance);