Program.cs

using Microsoft.EntityFrameworkCore;
using QuickGridSamples.Core.Models;
using QuickGridSamples.Server.Data;

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
builder.Services.AddControllersWithViews();
builder.Services.AddRazorPages();
builder.Services.AddServerSideBlazor();
builder.Services.AddScoped<IDataService, LocalDataService>();
builder.Services.AddDbContext<ApplicationDbContext>(options => options.UseSqlite("Data Source=app.db"));
builder.Services.AddQuickGridEntityFrameworkAdapter();

var app = builder.Build();
SeedData.EnsureSeeded(app.Services);

// Configure the HTTP request pipeline.
if (app.Environment.IsDevelopment())
{
#if ENABLE_WASM_HOSTING
    app.UseWebAssemblyDebugging();
#endif
}
else
{
    app.UseExceptionHandler("/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseRouting();
app.MapRazorPages();
app.MapControllers();

#if ENABLE_WASM_HOSTING
ApplyHotReloadWorkaround(app);
app.Map("/webassembly", app =>
{
    app.UseBlazorFrameworkFiles();
    app.UseStaticFiles();
    app.UseEndpoints(e => e.MapFallbackToPage("webassembly/{*path:nonfile}", "/_WebAssemblyHost"));
});

// This is a temporary workaround needed until the next patch release of ASP.NET Core
// The underlying bug was fixed in https://github.com/dotnet/sdk/pull/25534 but that update hasn't shipped yet
void ApplyHotReloadWorkaround(WebApplication app)
{
    app.Use((ctx, next) =>
    {
        if (ctx.Request.Path == "/webassembly/_framework/blazor-hotreload")
        {
            ctx.Response.Redirect("/_framework/blazor-hotreload");
            return Task.CompletedTask;
        }

        return next(ctx);
    });
}
#endif

app.Map("/server", app =>
{
    app.UseStaticFiles();
    app.UseEndpoints(endpoints => endpoints.MapBlazorHub("/server/_blazor"));
    app.UseEndpoints(e => e.MapFallbackToPage("server/{*path:nonfile}", "/_ServerHost"));
});

app.MapGet("/api/countries", (IDataService dataService, int startIndex, int? count, string? sortBy, bool sortAscending) =>
    dataService.GetCountriesAsync(startIndex, count, sortBy, sortAscending, CancellationToken.None));

app.Run();