Mega Code Archive

 

Categories / C# Tutorial / Data Type

 

Box and unbox for nullable value

using System; using System.Collections.Generic; using System.Text; using System.ComponentModel;     class MainClass     {         static void Main()         {             int? nullable = 5;             object boxed = nullable;             Console.WriteLine(boxed.GetType());             int normal = (int)boxed;             Console.WriteLine(normal);             nullable = (int?)boxed;             Console.WriteLine(nullable);             nullable = new int?();             boxed = nullable;             Console.WriteLine(boxed == null);             nullable = (int?)boxed;             Console.WriteLine(nullable.HasValue);         }     }