// @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()

    {

        int batchSize = 400;

        var context = new EntityContext();

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

        {

            if (i != 0 && i%batchSize == 0)

            {

                context.SaveChanges();

                context = new EntityContext();

            }

            var customer = new Customer();

            customer.Name ="Customer_" + i;

​

            context.Customers.Add(customer);

        }

​

        context.SaveChanges();

        Console.WriteLine(context.Customers.Count());

​

        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; }

    }

}