Print Triangle in C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace prymid
{
    class Program
    {
        static void Main(string[] args)
        {
            int i, j, r;
            int v = 1;
            Console.WriteLine("Enter no of Rows");
            r = Int16.Parse(Console.ReadLine());
            Console.WriteLine(r);
            for (i = 1; i <= r; i++)
            {
                for (j = r; j >= i - 1; j--)
                {
                    Console.Write(" ");
                }
                for (int k = 1; k <= i; k++)
                {
                    Console.Write(" " + v);
                    v++;
                }
                Console.WriteLine();
            }
            Console.ReadLine();
        }
    }
}