How to convert Nullable int to integer in C# ?

Published on February 4, 2016 by abundantcode

Filed under C#

Last modified February 4, 2016

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You can convert the Nullable Integer to Integer in C# using one of the below methods.

1. Using null-coalescing and default keyword
2. Using the GetValueOrDefault method.

How to convert Nullable int to integer in C# ?

Below is the sample code snippet demonstrating the usage of the default keyword and GetValueOrDefault method.

using System;
using System.Collections.Generic;
using System.IO;

namespace ACCode
{
    class Program
    {
        static void Main(string[] args)
        {
            int? input = 10;

            //Technique 1
            int output1 = input ?? default(int);
            // Technique 2
            int output2 = input.GetValueOrDefault();

            Console.WriteLine(output1);
            Console.WriteLine(output2);
            Console.ReadLine();
        }
        
    }
  
}
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