partial void DeleteCASING(CASING instance);
partial void UpdateCASING(CASING instance);
private void detach_CASINGs(CASING entity) { this.SendPropertyChanging(); entity.BOREHOLE = null; }
partial void InsertCASING(CASING instance);
private void attach_CASINGs(CASING entity) { this.SendPropertyChanging(); entity.BOREHOLE = this; }