Random iteration in loop for printing characters present in list randomly

I have to loop through number 0-9 and characters A-Z but I want to loop through each element but randomly. I have tried below approach. Is there any better approach you can suggest.

static void Main(string[] args)
            {
                Random r = new Random();
                var listOfAsciiForNumbers = Enumerable.Range(48, 10).ToList();
                var listofAsciiForAlphabets = Enumerable.Range(65, 26).ToList();

                var asciiList = new List<int>();
                asciiList.AddRange(listOfAsciiForNumbers);
                asciiList.AddRange(listofAsciiForAlphabets);

                foreach (int i in asciiList.OrderBy(x => r.Next()))
                {
                    Console.WriteLine((char)i);
                }
            }