@inject INavigationService navigationService; @inject NavigationManager navigationManager; @if (isOnPage) { } else { } @code { [Parameter] public WebPageModel Page { get; set; } = default!; bool isOnPage = false; protected override Task OnParametersSetAsync() { var uri = navigationManager.Uri.Remove(0, navigationManager.BaseUri.Count()).ToLower(); isOnPage = Page.Href.ToLower().Equals(uri); return Task.CompletedTask; } void OnNavigationChanged() { StateHasChanged(); } void OnBack() { navigationService.Back(); } }