How to Find if the Enum value is valid in C# ?

You might encounter an scenario where you have to find out if the integer value that is passed needs to be validated to find if this value exists within the Enumeration.

How to Find if the Enum value is valid in C# ?

The .NET Framework provides the Enum.IsDefined method to validate. Here’s a simple code snippet demonstrating how to use Enum.IsDefined method.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Ginktage
{
    enum Designation
    {
        Trainee=1,
        SoftwareEngineer = 2,
        SeniorSoftwareEngineer=5
    };
    internal class Program
    {
        private static void Main(string[] args)
        {
            Designation enumvalue = (Designation)100;
            if (Enum.IsDefined(typeof(Designation),enumvalue))
            Console.WriteLine("Valid Enum");
            Console.ReadLine();
        }     
    }
    
}

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