t;));
    services.Configure&lt;RequestLocalizationOptions&gt;(options =&gt;
    {
        options.AddSupportedCultures(new[] { "en", "fr" });
        options.AddSupportedUICultures(new[] { "en", "fr" });
        options.RequestCultureProviders = new List&lt;IRequestCultureProvider&gt;()
        {
            new BlazorSchoolRequestCultureProvider("en")
        };
    });
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    app.UseRequestLocalization();
    ...
}</pre>
<h3>Adding