CODE EXAMPLE FOR CSHARP

check if value in list c#

// C# Program to check whether the
// element is present in the List
// or not
using System;
using System.Collections;
using System.Collections.Generic;
  
class Geeks {
  
    // Main Method
    public static void Main(String[] args)
    {
  
        // Creating an List<T> of Integers
        List<int> firstlist = new List<int>();
  
        // Adding elements to List
        firstlist.Add(1);
        firstlist.Add(2);
        firstlist.Add(3);
        firstlist.Add(4);
        firstlist.Add(5);
        firstlist.Add(6);
        firstlist.Add(7);
  
        // Checking whether 4 is present
        // in List or not
        Console.Write(firstlist.Contains(4));
    }
}