[C#] How to make numbers 0-9 two digit?

Hi guys, I'm having a problem. I want to make numbers show as "00, 01, 02 ..." But it shows like "0, 1, 2 ..." I tried everything I found on internet. This is my last try.

Code:

 Console.WriteLine("X = {0:D2}", 0);
            Console.WriteLine("X = {0:D2}", 1);
            Console.WriteLine("X = {0:D2}", 2);
            Console.WriteLine("X = {0:D2}", 3);
            Console.WriteLine("X = {0:D2}", 4);
            Console.WriteLine("X = {0:D2}", 5);
            Console.WriteLine("X = {0:D2}", 6);
            Console.WriteLine("X = {0:D2}", 7);
            Console.WriteLine("X = {0:D2}", 8);
            Console.WriteLine("X = {0:D2}", 9);

But nothing worked. I need some help from you. Thank you so much.