EF Core Triggers Use Triggers without DbContextWithTriggers

If you can't change your DbContext inheritance chain, you simply need to override your SaveChanges method and call the SaveChangesWithTriggers extension method.

So first, we need to update our context class by inheriting it from the DbContext class again and also override the SaveChanges method, as shown below.

using EFTriggersDemo.Models;
using EntityFrameworkCore.Triggers;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace EFTriggersDemo.DAL
{
    public class BookStore : DbContext
    {
        public BookStore(DbContextOptions<BookStore> options) : base(options)
        {
        }

        public override Int32 SaveChanges()
        {
            return this.SaveChangesWithTriggers(base.SaveChanges, acceptAllChangesOnSuccess: true);
        }

        public DbSet<Author> Authors { get; set; }
        public DbSet<Book> Books { get; set; }
    }
}

Alternatively, you can call SaveChangesWithTriggers directly instead of SaveChanges, but it is not recommended.

var authors = new List<Author>
{
    new Author { FirstName="Carson", LastName="Alexander", BirthDate = DateTime.Parse("1985-09-01")},
    new Author { FirstName="Meredith", LastName="Alonso", BirthDate = DateTime.Parse("1970-09-01")},
    new Author { FirstName="Arturo", LastName="Anand", BirthDate = DateTime.Parse("1963-09-01")},
    new Author { FirstName="Gytis", LastName="Barzdukas", BirthDate = DateTime.Parse("1988-09-01")},
    new Author { FirstName="Yan", LastName="Li", BirthDate = DateTime.Parse("2000-09-01")},
};

authors.ForEach(a => context.Authors.Add(a));
context.SaveChangesWithTriggers(context.SaveChanges);