public TableBuilder <TEntity> AddPriceColumn(Func <TEntity, int?> valueFunc, string name, string sortLabel, bool isBold = false, Breakpoint?hideBelow = null)
 {
     return(Add(new TextColumn <TEntity>(name, sortLabel, isBold, hideBelow, (e) => CurrencyService.Denormalize(valueFunc.Invoke(e)).ToString(), true)));
 }