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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?
995
<base href="~/" /> declaration inside the <head /> tag in your _Host.cshtml file.services.Configure<RazorPagesOptions>(options => options.RootDirectory = "/Pages"); inside ConfigureServices(IServiceCollection services) method in Startup.cs file if you customised your Pages location.endpoints.MapDefaultControllerRoute(); and check if it interferes with your routing._Host.cshtml file inside the RootDirectory of your pages.@page "/" and @namespace <MatchingYourRootPagesDir> specified on the top of _Host.cshtml file.
139
If you updating project SDK to .NET 6, you can add following property into your .csproj file
<PropertyGroup>
<UseRazorSourceGenerator>false</UseRazorSourceGenerator>
</PropertyGroup>
Source: https://github.com/dotnet/aspnetcore/issues/36535#issuecomment-919861308
32
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