Question

I can t seem to get why the Blazor Server Web runs with a 404 when I try to move Components/Pages and Components/Layouts from the default Blazor Server Web project to a new RCL project. Everything is at default, .NET 8.0 is used, and one thing I picked up from tutorials is to add AdditionalAssemblies to the Router:

<Router AppAssembly="@typeof(Program).Assembly" AdditionalAssemblies="new[] {typeof(ComponentLib.Components.Layout.MainLayout).Assembly, typeof(ComponentLib.Components.Pages.Home).Assembly}">
    <Found Context="routeData">
        <RouteView RouteData="@routeData" DefaultLayout="@typeof(MainLayout)"/>
        <FocusOnNavigate RouteData="@routeData" Selector="h1" />
    </Found>
</Router>

Otherwise I have no idea why the 404, I tried moving the Pages dir to the root of RCL project, I tried setting copy-always for the pages and the layout files. When I "return/copy" the Components/Pages and Components/Layouts to the Blazor Web project, everything is back to normal, Hello World is displayed.

Answer 1

网页似乎必须放在网络项目中,而不是RCL:

https://github.com/dotnet/aspnet/issues/49432

Answer 2

对评论的答复不够,这确实值得实际回答,但......

你们可以转向。 NET 7, 在那里,它进行罚款。我使用共享的RCL与我的大部分网页、部件、服务,并在MAUI .NET项目和Blazor服务器项目中使用,没有问题(超出规范)。

To answer your problem with .NET 8: That was a bug in the .NET 8 Previews, and in RC-1, someone commented it was working: https://github.com/dotnet/aspnetcore/issues/48767#issuecomment-1718078998 with this code:

app.MapRazorComponents<App>()
    .AddAdditionalAssemblies(typeof(MainLayout).Assembly);

Reading further, it looks like it may have been slipped to .NET 9, but it wasn t clear if the above would still work or not. You can try.

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