using Microsoft.EntityFrameworkCore;

using System.ComponentModel.DataAnnotations.Schema;

using System.Collections.Generic;

using System.Linq;

using System;

#nullable enable

​

namespace EFTest

{

    [Table("Blog")]

    public class Blog

    {

        public Guid? Id { get; set; }

        public string? Title { get; set; }

    }

​

    public class BloggingContext : DbContext

    {

        public BloggingContext(){ }

​

        public BloggingContext(DbContextOptions<BloggingContext> options)

            : base(options){ }

        protected override void OnModelCreating(ModelBuilder modelBuilder)

        {

            modelBuilder.Entity<Blog>();

        }

    }

​

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("This is an example of using EF Core InMemory Database");

            Console.WriteLine("======================================================");

            Console.WriteLine("");

            var options = new DbContextOptionsBuilder<BloggingContext>()

                .UseInMemoryDatabase(databaseName: "blarg123")

                .Options;

​

            // Run the test against one instance of the context

            using (var context = new BloggingContext(options))

            {

                var blog = new Blog { Id = 1, Name = "http://sample.com", RowVersion = new byte[] { 01 } };

                context.Set<Blog>().Add(blog);

                context.SaveChanges();

            }

        }

    }

​

}