NET-10: Set up .NET Core 6 project scaffolding

SampleWebApp.Core.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{9FF20346-3D13-434F-83A3-1AED2595A4C2}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DataLayer", "src\DataLayer\DataLayer.csproj", "{95183941-219F-4EBC-8166-E5A004418ED8}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BizLayer", "src\BizLayer\BizLayer.csproj", "{B076027A-3826-4706-8DC2-1170C9DA685F}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ServiceLayer", "src\ServiceLayer\ServiceLayer.csproj", "{E8A094CF-B6F3-4F7A-846A-677C1D542A71}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SampleWebApp", "src\SampleWebApp\SampleWebApp.csproj", "{D7345466-1A7E-4805-A2B8-45E1C76C9528}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{CA425ABC-E141-41ED-9969-A42EF32A6D35}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Tests", "tests\Tests\Tests.csproj", "{B66678CE-F90E-4426-9D5D-2B86EBB14EBB}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{95183941-219F-4EBC-8166-E5A004418ED8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{95183941-219F-4EBC-8166-E5A004418ED8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{95183941-219F-4EBC-8166-E5A004418ED8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{95183941-219F-4EBC-8166-E5A004418ED8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B076027A-3826-4706-8DC2-1170C9DA685F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B076027A-3826-4706-8DC2-1170C9DA685F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B076027A-3826-4706-8DC2-1170C9DA685F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B076027A-3826-4706-8DC2-1170C9DA685F}.Release|Any CPU.Build.0 = Release|Any CPU
+		{E8A094CF-B6F3-4F7A-846A-677C1D542A71}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E8A094CF-B6F3-4F7A-846A-677C1D542A71}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E8A094CF-B6F3-4F7A-846A-677C1D542A71}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{E8A094CF-B6F3-4F7A-846A-677C1D542A71}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D7345466-1A7E-4805-A2B8-45E1C76C9528}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D7345466-1A7E-4805-A2B8-45E1C76C9528}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D7345466-1A7E-4805-A2B8-45E1C76C9528}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D7345466-1A7E-4805-A2B8-45E1C76C9528}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B66678CE-F90E-4426-9D5D-2B86EBB14EBB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B66678CE-F90E-4426-9D5D-2B86EBB14EBB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B66678CE-F90E-4426-9D5D-2B86EBB14EBB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B66678CE-F90E-4426-9D5D-2B86EBB14EBB}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{95183941-219F-4EBC-8166-E5A004418ED8} = {9FF20346-3D13-434F-83A3-1AED2595A4C2}
+		{B076027A-3826-4706-8DC2-1170C9DA685F} = {9FF20346-3D13-434F-83A3-1AED2595A4C2}
+		{E8A094CF-B6F3-4F7A-846A-677C1D542A71} = {9FF20346-3D13-434F-83A3-1AED2595A4C2}
+		{D7345466-1A7E-4805-A2B8-45E1C76C9528} = {9FF20346-3D13-434F-83A3-1AED2595A4C2}
+		{B66678CE-F90E-4426-9D5D-2B86EBB14EBB} = {CA425ABC-E141-41ED-9969-A42EF32A6D35}
+	EndGlobalSection
+EndGlobal

src/BizLayer/BizLayer.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <ItemGroup>
+    <ProjectReference Include="..\DataLayer\DataLayer.csproj" />
+  </ItemGroup>
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

src/BizLayer/Startup/BizLayerServiceExtensions.cs

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+using Microsoft.Extensions.DependencyInjection;
+
+namespace BizLayer.Startup;
+
+/// <summary>
+/// Registers business-layer dependencies with the application's DI container.
+/// Concrete business logic is added in later migration phases.
+/// </summary>
+public static class BizLayerServiceExtensions
+{
+    public static IServiceCollection AddBizLayer(this IServiceCollection services)
+    {
+        return services;
+    }
+}

src/DataLayer/DataClasses/SampleWebAppDbContext.cs

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+using Microsoft.EntityFrameworkCore;
+
+namespace DataLayer.DataClasses;
+
+/// <summary>
+/// EF Core replacement for the legacy EF6 <c>SampleWebAppDb</c>.
+/// Entity sets (Blogs, Posts, Tags) will be added in subsequent migration phases.
+/// </summary>
+public class SampleWebAppDbContext : DbContext
+{
+    public const string ConnectionStringName = "SampleWebAppDb";
+
+    public SampleWebAppDbContext(DbContextOptions<SampleWebAppDbContext> options)
+        : base(options)
+    {
+    }
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+    }
+}

src/DataLayer/DataLayer.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.36" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="6.0.36" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="6.0.36">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+</Project>

src/DataLayer/Startup/DataLayerServiceExtensions.cs

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+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace DataLayer.Startup;
+
+/// <summary>
+/// Registers the data layer's EF Core services with the application's DI container.
+/// </summary>
+public static class DataLayerServiceExtensions
+{
+    public static IServiceCollection AddDataLayer(this IServiceCollection services, IConfiguration configuration)
+    {
+        var connectionString = configuration.GetConnectionString(DataClasses.SampleWebAppDbContext.ConnectionStringName);
+
+        if (string.IsNullOrWhiteSpace(connectionString))
+        {
+            throw new InvalidOperationException(
+                $"Connection string '{DataClasses.SampleWebAppDbContext.ConnectionStringName}' was not found.");
+        }
+
+        services.AddDbContext<DataClasses.SampleWebAppDbContext>(options =>
+            options.UseSqlServer(connectionString));
+
+        return services;
+    }
+}

src/SampleWebApp/Controllers/HomeController.cs

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+using System.Diagnostics;
+using Microsoft.AspNetCore.Mvc;
+using SampleWebApp.Models;
+
+namespace SampleWebApp.Controllers;
+
+public class HomeController : Controller
+{
+    private readonly ILogger<HomeController> _logger;
+
+    public HomeController(ILogger<HomeController> logger)
+    {
+        _logger = logger;
+    }
+
+    public IActionResult Index()
+    {
+        return View();
+    }
+
+    public IActionResult Privacy()
+    {
+        return View();
+    }
+
+    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
+    public IActionResult Error()
+    {
+        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
+    }
+}

src/SampleWebApp/Models/ErrorViewModel.cs

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+namespace SampleWebApp.Models;
+
+public class ErrorViewModel
+{
+    public string? RequestId { get; set; }
+
+    public bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+}

src/SampleWebApp/Program.cs

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+using BizLayer.Startup;
+using DataLayer.Startup;
+using ServiceLayer.Startup;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+builder.Services.AddControllersWithViews();
+
+// Register layered application services (DI container).
+builder.Services.AddDataLayer(builder.Configuration);
+builder.Services.AddServiceLayer();
+builder.Services.AddBizLayer();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (!app.Environment.IsDevelopment())
+{
+    app.UseExceptionHandler("/Home/Error");
+    app.UseHsts();
+}
+
+app.UseHttpsRedirection();
+app.UseStaticFiles();
+
+app.UseRouting();
+
+app.UseAuthorization();
+
+app.MapControllerRoute(
+    name: "default",
+    pattern: "{controller=Home}/{action=Index}/{id?}");
+
+app.Run();

src/SampleWebApp/Properties/launchSettings.json

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+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:33156",
+      "sslPort": 44323
+    }
+  },
+  "profiles": {
+    "SampleWebApp": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7131;http://localhost:5191",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

src/SampleWebApp/SampleWebApp.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <ItemGroup>
+    <ProjectReference Include="..\DataLayer\DataLayer.csproj" />
+    <ProjectReference Include="..\BizLayer\BizLayer.csproj" />
+    <ProjectReference Include="..\ServiceLayer\ServiceLayer.csproj" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.36">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+</Project>

src/SampleWebApp/Views/Home/Index.cshtml

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+@{
+    ViewData["Title"] = "Home Page";
+}
+
+<div class="text-center">
+    <h1 class="display-4">Welcome</h1>
+    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
+</div>

src/SampleWebApp/Views/Home/Privacy.cshtml

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+@{
+    ViewData["Title"] = "Privacy Policy";
+}
+<h1>@ViewData["Title"]</h1>
+
+<p>Use this page to detail your site's privacy policy.</p>

src/SampleWebApp/Views/Shared/Error.cshtml

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+@model ErrorViewModel
+@{
+    ViewData["Title"] = "Error";
+}
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (Model.ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@Model.RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>

src/SampleWebApp/Views/Shared/_Layout.cshtml

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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>@ViewData["Title"] - SampleWebApp</title>
+    <link rel="stylesheet" href="~/lib/bootstrap/dist/css/bootstrap.min.css" />
+    <link rel="stylesheet" href="~/css/site.css" asp-append-version="true" />
+    <link rel="stylesheet" href="~/SampleWebApp.styles.css" asp-append-version="true" />
+</head>
+<body>
+    <header>
+        <nav class="navbar navbar-expand-sm navbar-toggleable-sm navbar-light bg-white border-bottom box-shadow mb-3">
+            <div class="container-fluid">
+                <a class="navbar-brand" asp-area="" asp-controller="Home" asp-action="Index">SampleWebApp</a>
+                <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target=".navbar-collapse" aria-controls="navbarSupportedContent"
+                        aria-expanded="false" aria-label="Toggle navigation">
+                    <span class="navbar-toggler-icon"></span>
+                </button>
+                <div class="navbar-collapse collapse d-sm-inline-flex justify-content-between">
+                    <ul class="navbar-nav flex-grow-1">
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Index">Home</a>
+                        </li>
+                        <li class="nav-item">
+                            <a class="nav-link text-dark" asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+                        </li>
+                    </ul>
+                </div>
+            </div>
+        </nav>
+    </header>
+    <div class="container">
+        <main role="main" class="pb-3">
+            @RenderBody()
+        </main>
+    </div>
+
+    <footer class="border-top footer text-muted">
+        <div class="container">
+            &copy; 2026 - SampleWebApp - <a asp-area="" asp-controller="Home" asp-action="Privacy">Privacy</a>
+        </div>
+    </footer>
+    <script src="~/lib/jquery/dist/jquery.min.js"></script>
+    <script src="~/lib/bootstrap/dist/js/bootstrap.bundle.min.js"></script>
+    <script src="~/js/site.js" asp-append-version="true"></script>
+    @await RenderSectionAsync("Scripts", required: false)
+</body>
+</html>