// @nuget: EntityFramework

​

using System;

using System.Data.Entity;

using System.Linq;

using System.Collections.Generic;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

        using (var context = new EntityContext())

        {

            List<Customer>  list = new List<Customer>();

            for(int i = 0; i < 2000; i++)

            {

                var customer = new Customer();

                customer.Name ="Customer_" + i;

                list.Add(customer);

            }

            context.Customers.AddRange(list);

            context.SaveChanges();

            FiddleHelper.WriteTable(context.Customers.Take(5).ToList());

        }

    }

​

    public class EntityContext : DbContext

    {

        public EntityContext() : base(FiddleHelper.GetConnectionStringSqlServer())

        {

​

        }

        public DbSet<Customer> Customers { get; set; }

    }

    public class Customer

    {

        public int CustomerID { get; set; }

        public string Name { get; set; }

    }

}