nHibernate Update and Delete

// Delete
using (mySession.BeginTransaction())
{
        mySession.Delete(loContact);
        mySession.Transaction.Commit();
}

// Edit
using (mySession.BeginTransaction())
{
    loContact.FirstName = "Jane";
    loContact.LastName = "Fonda";

    mySession.Update(loContact);
    mySession.Transaction.Commit();
}