.net core里 EF的事务-代码示例

using (var context = new BloggingContext())
        {
            using (var transaction = context.Database.BeginTransaction())
            {
                context.Blogs.Add(new Blog {Url = "http://www.cnbing.net"});
                context.SaveChanges();

                context.Blogs.Add(new Blog {Url = "http://cnbing.net/"});
                context.SaveChanges();

                transaction.Commit();
            }
        }