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  1. using System;
  2.  
  3. public class Test
  4. {
  5. 	public static void Main()
  6. 	{
  7. 		int? ID = null;
  8. 		Console.WriteLine(Convert.ToString(ID) == string.Empty);
  9. 		Console.WriteLine(Convert.ToString(null) == null);
  10. 		object box = ID;
  11. 		Console.WriteLine(Convert.ToString(box) == string.Empty);
  12. 	}
  13. }
Success #stdin #stdout 0.03s 24184KB
comments ()
stdin
copy 
Standard input is empty
stdout
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True
True
True
https://ideone.com/jRsefy
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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