private void add_column(object sender, RoutedEventArgs e) { int limit = int.Parse(ColumnCreator.limit); if (limit == 0) { limit = Constants.InfiniteLimit; } try { InterfaceLayer.addColumn(ColumnCreator.name, limit); ColumnCreator.limit = ""; ColumnCreator.name = ""; errors.error = ""; refresh(); } catch (AlmogException exi) { errors.error = (String)exi.Value; } }