public class PersonRepository : DbRepository<SqlConnection>, IPersonRepository
{
        public PersonRepository() 
            : base(ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString)
        { }

        public string GetName(int personId) 
        {
                var field = Field.Parse<Person>(e => new
               {
                     e.Name,
               });
               return Query<Person>(f => f.PersonId == personId, fields: field).FirstOrDefault();
        }
}