migrate to new .net6+ minimal hosting

Author: mpreyskurantov

ASP.NET Core/ASP.NET Core.csproj

@@ -2,7 +2,10 @@
 
   <PropertyGroup>
     <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
+
   <Target Name="DebugEnsureNodeEnv" BeforeTargets="BeforeBuild" Condition=" '$(Configuration)' == 'Debug' And !Exists('$(SpaRoot)node_modules') ">
     <!-- Ensure Node.js is installed -->
     <Exec Command="node --version" ContinueOnError="true">
@@ -14,18 +17,13 @@
   </Target>
   <Target Name="RunGulp" BeforeTargets="BeforeBuild" Condition=" '$(Configuration)' == 'Debug' And Exists('$(SpaRoot)node_modules') ">
     <Exec WorkingDirectory="$(ProjectDir)" Command="node_modules\.bin\gulp add-resources" ContinueOnError="false">
-         <Output TaskParameter="ExitCode" PropertyName="ErrorCode" />
+      <Output TaskParameter="ExitCode" PropertyName="ErrorCode" />
     </Exec>
   </Target>
+
   <ItemGroup>
     <PackageReference Include="DevExtreme.AspNet.Data" Version="5.*" />
     <PackageReference Include="DevExtreme.AspNet.Core" Version="24.2.*" />
   </ItemGroup>
 
-  <ProjectExtensions>
-    <VisualStudio>
-      <UserProperties TemplateFeatures="NETCORE" />
-    </VisualStudio>
-  </ProjectExtensions>
-
 </Project>

ASP.NET Core/Program.cs

@@ -1,25 +1,38 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-using Microsoft.AspNetCore.Hosting;
-using Microsoft.Extensions.Configuration;
+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
-using Microsoft.Extensions.Logging;
-
-namespace ASP_NET_Core
-{
-    public class Program
-    {
-        public static void Main(string[] args)
-        {
-            CreateHostBuilder(args).Build().Run();
-        }
 
-        public static IHostBuilder CreateHostBuilder(string[] args) =>
-            Host.CreateDefaultBuilder(args)
-                .ConfigureWebHostDefaults(webBuilder => {
-                    webBuilder.UseStartup<Startup>();
-                });
+namespace ASP_NET_Core {
+    public class Program {
+        public static void Main(string[] args) {
+            var builder = WebApplication.CreateBuilder(args);
+
+            // Add services to the container.
+            builder.Services
+                .AddControllersWithViews()
+                .AddJsonOptions(options => options.JsonSerializerOptions.PropertyNamingPolicy = null);
+
+            var app = builder.Build();
+
+            // Configure the HTTP request pipeline.
+            if (app.Environment.IsDevelopment()) {
+                app.UseDeveloperExceptionPage();
+            } else {
+                app.UseExceptionHandler("/Home/Error");
+            }
+
+            app.UseStaticFiles();
+
+            app.UseRouting();
+
+            app.UseAuthorization();
+
+            app.MapControllerRoute(
+                name: "default",
+                pattern: "{controller=Home}/{action=Index}/{id?}"
+            );
+
+            app.Run();
+        }
     }
 }