how can i use var in .NET 8

alhacg dva 20 Reputation points
2023-11-22T16:31:40.19+00:00

I upgraded from .NET 6 to 8 and there is no startup anymore and when I create some code doesn't work and some are declared and error 501.35 something like that and I wanted a

create var

var builder = services.AddIdentityServer(options =>
{
    options.Events.RaiseErrorEvents = true;
    options.Events.RaiseInformationEvents = true;
    options.Events.RaiseFailureEvents = true;
    options.Events.RaiseSuccessEvents = true;
    options.EmitStaticAudienceClaim = true;
}).AddInMemoryIdentityResources(SD.IdentityResources)
.AddInMemoryApiScopes(SD.ApiScopes)
.AddInMemoryClients(SD.clients)
.AddAspNetIdentity <AppDbContext>();

can does not work in .Net 8

and Bing AI create this

//YourStartup
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddDbContext<ApplicationDbContext>(options =>
                options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));
            services.AddIdentity<ApplicationUser, IdentityRole>()
                .AddEntityFrameworkStores<ApplicationDbContext>().AddDefaultTokenProviders();

            var builder = services.AddIdentityServer(options =>
            {
                options.Events.RaiseErrorEvents = true;
                options.Events.RaiseInformationEvents = true;
                options.Events.RaiseFailureEvents = true;
                options.Events.RaiseSuccessEvents = true;
                options.EmitStaticAudienceClaim = true;
            }).AddInMemoryIdentityResources(SD.IdentityResources)
            .AddInMemoryApiScopes(SD.ApiScopes)
            .AddInMemoryClients(SD.Clients)
            .AddAspNetIdentity<ApplicationUser>();

            services.AddScoped<IDbInitializer, DbInitializer>();
            services.AddScoped<IProfileService, ProfileService>();
            builder.AddDeveloperSigningCredential();

            services.AddControllersWithViews();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IWebHostEnvironment env, IDbInitializer dbInitializer)
        {
            if (env.IsDevelopment())
            {
                app.UseDeveloperExceptionPage();
            }
            else
            {
                app.UseExceptionHandler("/Home/Error");
                // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
                app.UseHsts();
            }
            app.UseHttpsRedirection();
            app.UseStaticFiles();

            app.UseRouting();
            app.UseIdentityServer();
            app.UseAuthorization();
            dbInitializer.Initialize();
            app.UseEndpoints(endpoints =>
            {
                endpoints.MapControllerRoute(
                    name: "default",
                    pattern: "{controller=Home}/{action=Index}/{id?}");
            });
        }
    }
}


And someone can help at least sometimes the builder. Service instead of

var builder = WebApplication.CreateBuilder(args) builder. Services.example();

.NET
.NET
Microsoft Technologies based on the .NET software framework.
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Accepted answer
  1. Bruce (SqlWork.com) 61,491 Reputation points
    2023-11-22T16:57:53.43+00:00

    its really simple to convert startup code to program.cs.

    var builder = WebApplication.CreateBuilder(args);
    var services = builder.Services;
    
    // do configure service
    services.AddDbContext<ApplicationDbContext>(options =>
        options.UseSqlServer(Configuration.GetConnectionString("DefaultConnection")));
    services.AddIdentity<ApplicationUser, IdentityRole>()
        .AddEntityFrameworkStores<ApplicationDbContext>().AddDefaultTokenProviders();
    
    var identBuilder = services.AddIdentityServer(options =>
    {
        options.Events.RaiseErrorEvents = true;
        options.Events.RaiseInformationEvents = true;
        options.Events.RaiseFailureEvents = true;
        options.Events.RaiseSuccessEvents = true;
        options.EmitStaticAudienceClaim = true;
    }).AddInMemoryIdentityResources(SD.IdentityResources)
      .AddInMemoryApiScopes(SD.ApiScopes)
      .AddInMemoryClients(SD.Clients)
      .AddAspNetIdentity<ApplicationUser>();
     
    services.AddScoped<IDbInitializer, DbInitializer>();
    services.AddScoped<IProfileService, ProfileService>();
    identbuilder.AddDeveloperSigningCredential(); // I'd skip the identbuilder an just add to the previous
    
    services.AddControllersWithViews();
    
    var app = builder.Build();
    
    // do app config
    if (env.IsDevelopment())
    {
         app.UseDeveloperExceptionPage();
    }
    else
    {
       app.UseExceptionHandler("/Home/Error");
       app.UseHsts();
    }
    app.UseHttpsRedirection();
    app.UseStaticFiles();
    
    app.UseRouting();
    app.UseIdentityServer();
    app.UseAuthorization();
    dbInitializer.Initialize();
    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllerRoute(
        name: "default",
        pattern: "{controller=Home}/{action=Index}/{id?}");
    });
    
    
    1 person found this answer helpful.
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