Nullable Try Parse : nullable « Data Type « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Data Type
3. nullable

using System;
using System.ComponentModel;

    class NullableTryParse
    {
        static int? TryParse(string data)
        {
            int ret;
            if (int.TryParse(data, out ret))
            {
                return ret;
            }
            else
            {
                return null;
            }
        }

        static void Main()
        {
            int? parsed = TryParse("Not valid");
            if (parsed != null)
            {
                Console.WriteLine("Parsed to {0}", parsed.Value);
            }
            else
            {
                Console.WriteLine("Couldn't parse");
            }
        }
    }