C# Enumerable ElementAt

Description

Returns the element at a specified index in a sequence.

Syntax

public static TSource ElementAt<TSource>(
  this IEnumerable<TSource> source,
  int index
)

Parameters

• TSource - The type of the elements of source.
• source - An IEnumerable to return an element from.
• index - The zero-based index of the element to retrieve.

Returns

Returns the element at a specified index in a sequence.

Example

The following code example demonstrates how to use ElementAt to return an element at a specific position.

//from   w w w  .j ava 2  s. c  o m
using System;
using System.Linq;
using System.Collections.Generic;
public class MainClass{
  public static void Main(String[] argv){  
    string[] names ={ "A", "B", "C", };
    Random random = new Random(DateTime.Now.Millisecond);
    string name = names.ElementAt(random.Next(0, names.Length));
    Console.WriteLine(name);

  }
}
    

The code above generates the following result.