Convert List of Int to List of String in C#

This post will discuss how to convert List of Int to List of String in C#.

1. Using `List<T>.ConvertAll()` method

The recommended approach to convert a list of one type to another type is using the List<T>.ConvertAll() method. It returns a list of the target type containing the converted elements from the current list. The following example demonstrates how to use the ConvertAll() method to convert List<int> to List<string>.

using System;

using System.Collections.Generic;

public class Example

{

public static void Main()

{

List<int> numbers = new List<int> { 1, 2, 3, 4, 5 };

List<string> strings = numbers.ConvertAll<string>(x => x.ToString());

Console.WriteLine(String.Join(", ", strings)); // 1, 2, 3, 4, 5

}

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2. Using `Enumerable.Select()` method

To convert a list of one type to a list of another type, you can apply a transform function to each element of the list. This can be easily achieved with LINQ’s Enumerable.Select() method, which projects each item of a sequence into a new form.

using System;

using System.Linq;

using System.Collections.Generic;

public class Example

{

public static void Main()

{

List<int> numbers = new List<int> { 1, 2, 3, 4, 5 };

List<string> strings = numbers.Select(i => i.ToString()).ToList();

Console.WriteLine(String.Join(", ", strings)); // 1, 2, 3, 4, 5

}

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That’s all about converting List of Int to List of String in C#.

Convert List of Int to List of String in C#

1. Using List<T>.ConvertAll() method

2. Using Enumerable.Select() method

1. Using `List<T>.ConvertAll()` method

2. Using `Enumerable.Select()` method