// Entity Framework Extensions

// Doc: https://entityframework-extensions.net/transaction

​

// @nuget: Microsoft.EntityFrameworkCore.SqlServer

// @nuget: Z.EntityFramework.Extensions.EFCore

​

using System;

using System.Linq;

using Microsoft.EntityFrameworkCore;

using System.Collections.Generic;

using Microsoft.Data.SqlClient;

using System.ComponentModel.DataAnnotations;

using System.ComponentModel.DataAnnotations.Schema;

​

public class Program

{

    public static void Main()

    {

        using (var context = new EntityContext())

        {

            context.Database.EnsureCreated();

        }

        List<Customer> list1 =  new List<Customer>() { new Customer() { Name ="Customer_A" }, new Customer() { Name ="Customer_B" }};

        List<Customer> list2 =  new List<Customer>() { new Customer() { Name ="Customer_C" }, new Customer() { Name ="Customer_D" }};

        // Transaction : Bulk Operations such as BulkInsert, BulkUpdate, BulkDelete doesn't use a transaction by default. This is your responsibility to handle it.

        // If you start a transaction within Entity Framework, Bulk Operations will honor it.

        using (var context = new EntityContext())

        {

            var transaction = context.Database.BeginTransaction();

            try

            {

                context.BulkInsert(list1);

                context.BulkInsert(list2);

                transaction.Commit();

            }

            catch

            {

                transaction.Rollback();

            }

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

        }

    }

    public class EntityContext : DbContext

    {

        public EntityContext() 

        {

        }

​

        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)

        {

            optionsBuilder.UseSqlServer(new SqlConnection(FiddleHelper.GetConnectionStringSqlServer()));

​

            base.OnConfiguring(optionsBuilder);

        }

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

    }

    public class Customer

    {

        public int CustomerID { get; set; }

        public string Name { get; set; }

    }

}