class User
    {
        public virtual int id { get; set; }
        public virtual string name { get; set; }


    }

class MapUser : ClassMap<User>
    {
        public MapUser()
        {
            Id(x => x.id);
            Map(x => x.name);
        }

static void Main(string[] args)
        {

            string connectionString = "Server=127.0.0.1; Port=5432; User Id=credit; Password=;Database=databir;";



            try
            {
                ISessionFactory sessionFactory = Fluently.Configure().Database(PostgreSQLConfiguration.PostgreSQL81
                    .ConnectionString(c => c.FromAppSetting(connectionString)).ShowSql()).Mappings(m => m.FluentMappings.AddFromAssembly(User)).BuildSessionFactory();
                var sefact = sessionFactory;
                using (var session = sefact.OpenSession())
                {
                    using (var txt = session.BeginTransaction())
                    {
                        var use1 = new User
                        {
                            id = 1,
                            name = "jakhongir"
                        };
                        session.Save(use1);
                    }
                }


            }
            catch (Exception e)
            {
                Console.WriteLine(e);
                throw;
            }


        }