public ListIconViewModel()
        {
            Columns
            .Column("^Name", s => s.Name)
            .Column("^Country", s => s.Format)
            .Column("^Icon", s => _icons.FromSvgString(s.Source))
            ;

            //Filters.Add(new EntityFilterViewModel<Customer,Country>().Configure(
            //    "Country",
            //    "Pays",
            //    c => c.Country,List
            //    ));
            List.Update();
        }