using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var OrderDtl_Rows = "".Select(t => new {Company = "", OrderNum = 0, PartNum = "", FOC = false}).ToList();

        OrderDtl_Rows.Add(new { Company = "A", OrderNum = 1001, PartNum = "Part1", FOC = true });

        OrderDtl_Rows.Add(new { Company = "B", OrderNum = 1002, PartNum = "Part2", FOC = false });

        foreach (var OrderDtl_Row in OrderDtl_Rows)

        {

            Console.WriteLine(string.Format("Count: {0} - Company: {1}", OrderDtl_Rows.Count, OrderDtl_Row.Company));

        }

    }

}