Random

Here is the random Function

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

namespace RandomExample
{
    class Program
    {
        static void Main(string[] args)
        {
            Random rand = new Random();
            int number=rand.Next(1, 1000);

            Console.WriteLine(number);

            Console.ReadKey();
        }
    }
}