Conditional Statements - User Choice

using System;

    class IntDoubleString
    {
        private static void stringChoice()
        {
            string enteredString;
            Console.Write("Enter string: ");
            enteredString = Console.ReadLine();
            enteredString = enteredString + '*';

            Console.WriteLine(enteredString);

        }

        private static void numberChoice()
        {
            double enteredDouble;
            bool successParse;
            do
            {
                Console.Write("Enter number: ");
                successParse = double.TryParse(Console.ReadLine(), out enteredDouble);

            } while (!successParse);
            enteredDouble++;

            Console.WriteLine(enteredDouble);

        }


        static void Main(string[] args)
        {
            string enteredChoice;

            Console.Write("Enter your choice(1-int, 2-double, 3-string): ");
            enteredChoice = Console.ReadLine();


            switch (enteredChoice)
            {
                case "1":
                    numberChoice(); //int is part of double so double.TryParse() is OK here :)
                    break;
                case "2":
                    numberChoice();
                    break;
                case "3":
                    stringChoice();
                    break;
                default:
                    Console.WriteLine("Error! Wrong Input!");
                    break;
            }

        }


    }