partial void DeleteFactura(Factura instance);
partial void UpdateFactura(Factura instance);
private void detach_Facturas(Factura entity) { this.SendPropertyChanging(); entity.IVA = null; }
partial void InsertFactura(Factura instance);
private void attach_Facturas(Factura entity) { this.SendPropertyChanging(); entity.IVA = this; }