Program.cs

using Avalonia;
using System;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Configuration.Json;
using Microsoft.Extensions.DependencyInjection;

namespace finallywearentslacking;

sealed class Program
{
    // Initialization code. Don't use any Avalonia, third-party APIs or any
    // SynchronizationContext-reliant code before AppMain is called: things aren't initialized
    // yet and stuff might break.
    [STAThread]
    public static void Main(string[] args)
    {
        var configuration = new ConfigurationBuilder() //having to make a new builder where to put the json
            .SetBasePath(AppContext.BaseDirectory)
            .AddJsonFile("appsettings.json", optional: false)
            .Build();

        string connectionString = configuration.GetConnectionString("Default");  //variable for the connection string

        BuildAvaloniaApp()
            .StartWithClassicDesktopLifetime(args);
        
        AppConfig.ConnectionString = connectionString; //the connection string in appconfig is the connection string found in the json file
    }


    // Avalonia configuration, don't remove; also used by visual designer.
    public static AppBuilder BuildAvaloniaApp()
        => AppBuilder.Configure<App>()
            .UsePlatformDetect()
            .WithInterFont()
            .LogToTrace();


}