Startup.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.HttpsPolicy;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.EntityFrameworkCore;
using E_TIPI_LEARNING.Models;

namespace E_TIPI_LEARNING
{
    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.Configure<CookiePolicyOptions>(options =>
            {
                // This lambda determines whether user consent for non-essential cookies is needed for a given request.
                options.CheckConsentNeeded = context => true;
                options.MinimumSameSitePolicy = SameSiteMode.None;
            });

            
            services.AddMvc().SetCompatibilityVersion(CompatibilityVersion.Version_2_2);

            services.AddDbContext<LearningContext>(options =>
                    options.UseSqlServer(Configuration.GetConnectionString("LearningContext")));
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            using (var scope = app.ApplicationServices.CreateScope())
            {
                var context = scope.ServiceProvider.GetRequiredService<LearningContext>();

                context.Database.EnsureCreated();

                if (!context.LearningRessources.Any())
                {
                    context.LearningRessources.AddRangeAsync(
                        new LearningRessource { Title = "Philosophy", Description = "A philosophy course", StartDate = DateTime.Now, EndDate = DateTime.Now.AddDays(3) },
                        new LearningRessource { Title = "Geography", Description = "A geography course", StartDate = DateTime.Now.AddDays(2), EndDate = DateTime.Now.AddDays(7) });
                    context.SaveChanges();
                }
            }
                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.UseCookiePolicy();

            app.UseMvc(routes =>
            {
                routes.MapRoute(
                    name: "default",
                    template: "{controller=LearningRessources}/{action=Index}/{id?}");
            });
        }
    }
}