public static void DoWithTransactionEx()
{
context.DoWithTransaction(() =>
{
context.Update <User>(a => a.Id == 1, a => new User()
{
Name = a.Name, Age = a.Age + 1, Gender = Gender.Man, OpTime = DateTime.Now
});
context.Delete <User>(a => a.Id == 1024);
});
ConsoleHelper.WriteLineAndReadKey();
}