ef中使用事务

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Transactions;

namespace 事务
{
class Program
{
static void Main(string[] args)
{
MVC5Entities db = new MVC5Entities();

using (var transaction = db.Database.BeginTransaction())
{
try
{
db.Actions.Add(new Action { ActionName = "aaa", AreaName = "aaa", ControllerName = "aaa", FatherID = 0 });
db.SaveChanges();
int a = 0;
int b = 10 / a;
transaction.Commit();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}

using (TransactionScope scope = new TransactionScope())
{
try
{
db.Actions.Add(new Action { ActionName = "bbb", AreaName = "bbb", ControllerName = "bbb", FatherID = 0 });
db.SaveChanges();
int a = 0;
int b = 10 / a;
scope.Complete();
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}

Console.WriteLine("ok");
}
}
}