gistfile1.cs

[Test]
public void NHibernate_allows_crud_operations()
{
    Create();
    Read();
    Update();
    Delete();
}

private void Create()
{
    using (var session = OpenNamedSession("Create"))
    {
        var customer = new Customer()
                            {
                                FirstName = "John",
                                LastName = "Cleese"
                            };
        _customerId = session.Save(customer);
        session.Flush();
    }
}

private void Read()
{
    using (var session = OpenNamedSession("Read"))
    {
        var customer = session.Get<Customer>(_customerId);
        Console.WriteLine("Hello, {0}!", customer.FirstName);
    }
}

private void Update()
{
    using (var session = OpenNamedSession("Update"))
    {
        var customer = session.Get<Customer>(_customerId);
        customer.FirstName = "Graham";
        customer.LastName = "Chapman";
        session.Flush();
    }
}

private void Delete()
{
    using (var session = OpenNamedSession("Delete"))
    {
        var customer = session.Get<Customer>(_customerId);
        session.Delete(customer);
        session.Flush();
    }
}