searchstudent.cs

public IList<SearchStudent> SearchStudentByLogin(string login, string termCode)
        {
            var searchQuery = NHibernateSessionManager.Instance.GetSession().GetNamedQuery("SearchStudentByLogin");

            searchQuery.SetString("login", login);
            searchQuery.SetString("term", termCode);

            return searchQuery.List<SearchStudent>();
        }

searchstudent.htm.xml

<sql-query name="SearchStudentByLogin">
    <return class="SearchStudent"></return>
    EXEC usp_SearchStudentByLogin :login, :term
</sql-query>

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Inside the mapping file, after the SearchStudent class declaration