public object GetEntity(Type entity, string propName, object value)
        {

            ISession currentSession = NHibernateSession.Current;
            var criteria = currentSession.CreateCriteria(entity)
                        .Add(Expression.Eq(propName, value));

            return criteria.UniqueResult();


        }
        public IList GetEntites(Type type, Dictionary<string, object> paramList)
        {
            ICriteria criteria = NHibernateSession.Current.CreateCriteria(type);

            if (paramList != null)
            {
                foreach (var kvp in paramList)
                {
                    criteria.Add(Expression.Eq(kvp.Key, kvp.Value));
                }
            }
            return criteria.List();
           
        }