@Prog! - ASP.NET(C#) AJAX -

using System;
using System.Linq;
using System.Collections.Generic;

namespace ConsoleApplication5
{
    class Program
    {
        public class Class1
        {
            public IEnumerable<int> GetQuery(ref int[ ints)
            {
                return from i in ints where i > 0 select i;
            }
        }

        static void Main(string[ args)
        {
            int[ dataSource = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };

            Class1 c = new Class1();
            var rows = c.GetQuery(ref dataSource);

            Console.WriteLine("Average:{0}", rows.Average());

            foreach (int i in rows) Console.WriteLine(i);

            Console.Read();
        }
    }
}