A basic EF model

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Data.Entity;

namespace MyApplication
{
    public class MyEntity
    {
        public int Id { get; set; }
        public string Name { get; set; }
      
        public static MyEntity CreateEntity()
        {
            return new MyEntity { Name = "Test - " + DateTime.Now };
        }
    }

    public class MyCtx : DbContext
    {        
        public MyCtx() { }
        public DbSet<MyEntity> TestEntities { get; set; }
    }

    public static class MyTest
    {
        public static string SimpleWrite()
        {
            var entity = MyEntity.CreateEntity();

            using (var db = new MyCtx())
            {
                db.TestEntities.Add(entity);
                db.SaveChanges();
            }
            return "Saved entity " + entity.Name;
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            MyTest.SimpleWrite();
        }
    }
}