BlazorServerUrlRequestCultureProvider 1.0.0

Startup.cs

    public class Startup
    {
        // ...

        public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Error");
            }

            app.UseStaticFiles();

            var supportedCultures = new[]
            {
                new CultureInfo("en"),
                new CultureInfo("fr"),
            };

            var options = new RequestLocalizationOptions
            {
                DefaultRequestCulture = new RequestCulture("en"),
                // Formatting numbers, dates, etc.
                SupportedCultures = supportedCultures,
                // UI strings that we have localized.
                SupportedUICultures = supportedCultures
            };

            app.UseUrlRequestLocalization(options);

            app.UseRouting();

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

Index.razor

@page "/"
@page "/fr"
@page "/en"
@inject IStringLocalizer<App> Localizer


<h1>@Localizer["Hello, world!"]</h1>

@Localizer["Welcome to your new app."]

Counter.razor

@page "/en/counter"
@page "/fr/compteur"

@inject IStringLocalizer<App> Localizer

<h1>@Localizer["Counter"]</h1>

<p>@Localizer["Current count:"] @currentCount</p>

<button class="btn btn-primary" @onclick="IncrementCount">@Localizer["Click me"]</button>

@code {
    private int currentCount = 0;

    private void IncrementCount()
    {
        currentCount++;
    }
}