ASP.NET Core 1.0 (formerly ASP.NET 5) provides a revamped Web development framework geared towards the requirements of modern Web applications. The new framework, currently in RC1, requires you to learn many new concepts not found in ASP.NET MVC 5. To that end, this article enumerates a few important features that ASP.NET MVC 5 developers should know as they prepare to learn this new framework. 

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namespace BlazorWasmSQLite.Models;

public class Car
{
  public int Id { get; set; }

  public string Brand { get; set; }

  public  int Price { get; set; }
}

using Microsoft.EntityFrameworkCore;
using BlazorWasmSQLite.Models;

namespace BlazorWasmSQLite.Data;

public class ClientSideDbContext : DbContext
{
  public DbSet<Car> Cars { get; set; } = default!;

  public ClientSideDbContext(DbContextOptions<ClientSideDbContext> options) :
    base(options)
  {
  }
}

<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
  <ItemGroup>
    <!-- EF Core and Sqlite -->
    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.1" />
  </ItemGroup>
</Project>

using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.WebAssembly.Hosting;
using BlazorWasmSQLite;
using Microsoft.EntityFrameworkCore;
using BlazorWasmSQLite.Data;

var builder = WebAssemblyHostBuilder.CreateDefault(args);
builder.RootComponents.Add<App>("#app");
builder.RootComponents.Add<HeadOutlet>("head::after");

builder.Services.AddScoped(sp => new HttpClient { BaseAddress = new Uri(builder.HostEnvironment.BaseAddress) });

// Sets up EF Core with Sqlite
builder.Services.AddDbContextFactory<ClientSideDbContext>(options =>
      options
        .UseSqlite($"Filename=DemoData.db")
        .EnableSensitiveDataLogging());

await builder.Build().RunAsync();

@page "/"

@using Microsoft.Data.Sqlite
@using Microsoft.EntityFrameworkCore
@using BlazorWasmSQLite.Data
@using BlazorWasmSQLite.Models


<PageTitle>Index</PageTitle>

<h1>Hello, world!</h1>

Welcome to your new app.

<SurveyPrompt Title="How is Blazor working for you?" />

@code {
  [Inject]
  private IDbContextFactory<ClientSideDbContext> _dbContextFactory { get; set; } = default!;

  protected override async Task OnInitializedAsync()
  {
    await using var db = await _dbContextFactory.CreateDbContextAsync();
    await db.Database.EnsureCreatedAsync();

    // create seed data
    if (!db.Cars.Any())
    {
      var cars = new[]
      {
        new Car { Brand = "Audi", Price = 21000 },
        new Car { Brand = "Volvo", Price = 11000 },
        new Car { Brand = "Range Rover", Price = 135000 },
        new Car { Brand = "Ford", Price = 8995 }
      };

      await db.Cars.AddRangeAsync(cars);
      await db.SaveChangesAsync();
    }

    await base.OnInitializedAsync();
  }
}

crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100] Unhandled exception rendering component:
The type initializer for 'Microsoft.Data.Sqlite.SqliteConnection' threw an exception. System.TypeInitializationException:
The type initializer for 'Microsoft.Data.Sqlite.SqliteConnection' threw an exception. ---> System.Reflection.TargetInvocationException:
Exception has been thrown by the target of an invocation. ---> System.DllNotFoundException: e_sqlite3 at
SQLitePCL.SQLite3Provider_e_sqlite3.SQLitePCL.ISQLite3Provider.sqlite3_libversion_number()

$ git clone https://github.com/cloudmeter/sqlite
$ cd sqlite
$ emcc sqlite3.c -shared -o e_sqlite3.o

<Project Sdk="Microsoft.NET.Sdk.BlazorWebAssembly">
  <ItemGroup>
    <!-- EF Core and Sqlite -->
    <PackageReference Include="Microsoft.EntityFrameworkCore.Sqlite" Version="6.0.1" />
    <NativeFileReference Include="Data\e_sqlite3.o" />
  </ItemGroup>
</Project>

You already know how role-based authorization works in ASP.NET Core but what if you don't want hardcode roles in authorization attribute or create roles later and specify in which controller and action it has access without touching source code? 

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