private void _formatsView_DragDrop(object sender, DragEventArgs e) { var newFormats = new PaperFormat[PriceManager.PaperFormats.Count]; for (int i = 0; i < _formatsView.Rows.Count; i++) { PaperFormat type = _formatsView.Rows[i].Tag as PaperFormat; if (type != null) { newFormats[i] = type; } } PriceManager.UpdatePaperFormats(newFormats); ValidateCells(null); }