Fungerande version av skiktad lösning Winforms App med SQlite och entity framework

WinFormDi/ContainerConfig.cs

@@ -1,26 +1,44 @@
 using DIDemoLib;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using System;
 using System.Collections.Generic;
+using System.Configuration;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
+using WinFormDiApp.DAL;
 
 namespace WinFormDi
 {
     public static class ContainerConfig
     {
-        public static IHost? Configure()
+    
+        public static IHost? Configure(IHostBuilder hostBuilder)
         {
-            var builder = new HostBuilder()
+            var configuration = new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddEnvironmentVariables()
+                .AddJsonFile("appsettings.json")
+                .Build();
+
+
+            var builder = hostBuilder // new HostBuilder()
                 .ConfigureServices((_, services) =>
                 {
+                    var conn = configuration.GetConnectionString("DatabaseConnection");
                     services
+                    .AddDbContext<ApplicationDbContext>(options =>
+                        options.UseSqlite(conn))
                     .AddTransient<IMessages, Messages>()
                     .AddTransient<MainWindow>();
                 });
             return builder.Build();
         }
+
+
     }
 }