Random number generator

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

namespace ConsoleApplication6
{
    class Program
    {
        static void Main(string[] args)
        {
            Random randomGenerator = new Random();


            int numbersToGenerate = 0;
            do
            {

                Console.WriteLine("How many random numbers would you like to generate? \n");

                string userInput = Console.ReadLine();
                bool isValidInteger = int.TryParse(userInput, out numbersToGenerate);
                if (isValidInteger == false || numbersToGenerate < 1)
                    Console.WriteLine("Please enter a whole number greater than zero.\n\a");  // Notice the \n and \a.
            } while (numbersToGenerate < 1);

            for (int i = 0; i < numbersToGenerate; i++)
            {

                Console.WriteLine("Random Number " + i + ": " + randomGenerator.Next(1, 100));
            }

            Console.ReadLine();
        }
    }
}