using System;

using System.Collections;

using System.Collections.Generic;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var repo = new CustomerData();

        var current = 25;

        var pageSize = 60;

        var customers = repo.FetchAll()

                .Cast<Customer>()

                .Skip((current-1) * pageSize)

                .Take(pageSize)

                .ToList();

        Console.WriteLine($"Customer List: (page {current})");

        Console.WriteLine(new string('-', 120));

        for(var i=0; i < pageSize;)

        {

            for(var r=0; r < 5; r++)

            {

                Console.Write("{0,-25}", customers[i].Name); i++;

            }

            Console.WriteLine();

        }

​

    }

}

​

public class CustomerData{

​

​

    public IEnumerable<Customer> FetchAll(){

        var results = new List<Customer>();

        for(var i=100000; i < 500000; i++){

            results.Add(new Customer(){Id=i, Name=$"Customer #{i}"});

        }

        return results;

    }

}

​

​

public class Customer{

    public long Id{get;set;}

    public string Name{get;set;}

}