private void OnProductModelIllustrationBindingSourceCurrentItemChanged(object sender, System.EventArgs e) { _currentProductModelIllustration = uxProductModelIllustrationBindingSource.Current as Entities.ProductModelIllustration; if (_currentProductModelIllustration != null) { _currentProductModelIllustration.Validate(); } //_ProductModelIllustration.Validate(); OnCurrentEntityChanged(); }