Cannot find the fallback endpoint specified by route values: { page: /_Host, area: }

问题

I use This Project and created a project exactly like it, But receive

Cannot find the fallback endpoint specified by route values: { page: /_Host, area: }.

Error when I start the project, In the startup configure method I have:

 app.UseEndpoints(endpoints =>
            {
                endpoints.MapBlazorHub();
                endpoints.MapDefaultControllerRoute();
                endpoints.MapFallbackToPage("/_Host");               
            });

How to resolve this error?

回答1:

Make sure that you have <base href="~/" /> declaration inside the <head /> tag in your _Host.cshtml file.
Make sure to specify services.Configure<RazorPagesOptions>(options => options.RootDirectory = "/Pages"); inside ConfigureServices(IServiceCollection services) method in Startup.cs file if you customised your Pages location.
Try to remove endpoints.MapDefaultControllerRoute(); and check if it interferes with your routing.
Try to place your _Host.cshtml file inside the RootDirectory of your pages.
Verify that you have @page "/" and @namespace <MatchingYourRootPagesDir> specified on the top of _Host.cshtml file.

来源：https://stackoverflow.com/questions/58874883/cannot-find-the-fallback-endpoint-specified-by-route-values-page-host-are

标签

blazor

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