davidfowl

$/
  artifacts/
  build/
  docs/
  lib/
  packages/
  samples/
  src/
 tests/

davidfowl

Migration to ASP.NET Core in .NET 6

• WebApplication and WebApplicationBuilder
• Differences in the hosting model
• Building libraries for ASP.NET Core
• FAQ
• Cheatsheet

WebApplication and WebApplicationBuilder

davidfowl

Minimal APIs at a glance

This document now exists on the official ASP.NET core docs page.

• Application
  • WebApplication
  • WebApplicationBuilder
• Request Handling
  • Routing
  • Parameter Binding

davidfowl

using System.Diagnostics;
using System.Net.Sockets;
using System.Security.Authentication;
using Yarp.Telemetry.Consumption;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddTelemetryConsumer<TelemetryConsumer>();

var app = builder.Build();

davidfowl

Me using copilot

Copilot_Aspire.mp4

davidfowl

namespace Analogy
{
    /// <summary>
    /// This example shows that a library that needs access to target .NET Standard 1.3
    /// can only access APIs available in that .NET Standard. Even though similar the APIs exist on .NET 
    /// Framework 4.5, it implements a version of .NET Standard that isn't compatible with the library.
    /// </summary>INetCoreApp10
    class Example1
    {
        public void Net45Application(INetFramework45 platform)

davidfowl

using System;
using System.Buffers;
using System.Collections.Generic;
using System.IO.Pipelines;
using System.Linq;
using System.Text.Json;
using System.Text.Json.Serialization;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;

davidfowl

using System;
using System.Threading.Tasks;

namespace System.Collections.Concurrent
{
    public static class ConcurrentDictionaryExtensions
    {
        /// <summary>
        /// Provides an alternative to <see cref="ConcurrentDictionary{TKey, TValue}.GetOrAdd(TKey, Func{TKey, TValue})"/> that disposes values that implement <see cref="IDisposable"/>.
        /// </summary>

davidfowl

using System;
using System.Linq;
using System.Diagnostics;
using System.Linq.Expressions;
using System.Reflection;
using System.Collections.Generic;

namespace ConsoleApplication3
{
    class Program

davidfowl

using System;
using System.Collections.Generic;
using System.Reflection;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.AspNetCore.Mvc.Infrastructure;