public IEnumerable <ValidationResult> Validate(ValidationContext validationContext) { if (!Shipments.Any(s => s.IsSelected)) { yield return(new ValidationResult(UploadChoiceViewModelResources.ShipmentRequired, new[] { "Shipments" })); } }
private bool CanRemoveShipments() { return(Shipments != null && Shipments.Any(x => x.IsSelected)); }