protected override void OnInitialize() { base.OnInitialize(); DbReloadToken .Merge(DateBegin.Changed()) .Merge(DateEnd.Changed()) .Merge(SupplierCostBegin.Changed()) .Merge(SupplierCostEnd.Changed()) .Merge(RetailCostBegin.Changed()) .Merge(RetailCostEnd.Changed()) .SelectMany(_ => RxQuery(LoadItems)) .Subscribe(Items); }