How to convert List<string> to string with comma delimiter in C# ?

Published on January 26, 2016 by abundantcode

Filed under C#

Last modified January 26, 2016

Print this page

rate 1 star rate 2 star rate 3 star rate 4 star rate 5 star
Your rating: none, Average: 0 (0 votes)

This article have been viewed 5517 times

If you need to convert a collection (for example List of string) to string separated with the Comma as delimiter , you can either use the string.join method or aggregate method as shwon below.

How to convert List<string> to string with comma delimiter in C# ?

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Reflection; 
using System.Xml.Linq;

namespace ACCode 
{ 
    class Program 
    { 
        static void Main(string[] args) 
        { 
            List<string> movieNames = new List<string>(); 
            movieNames.Add("Theri"); 
            movieNames.Add("Kabali"); 
            movieNames.Add("Bahubali 2"); 
            // option 1 - using the string.join method 
            var output1 = string.Join(", ", movieNames.ToArray()); 
            // option 2 - using the Lambda expression / aggregate method defined in System.Linq namespace. 
            var output2 = movieNames.Aggregate((a, b) => a + ", " + b); 
            Console.WriteLine(output1); 
            Console.WriteLine(output2); 
            Console.ReadLine(); 
        } 
    } 
}

Leave a Comment


x

You might be Interested in these Posts

How to Create an Empty array without defining the size in C# ?

When we create an array in C# , we tend to define the size of the array as shown below. String[] st...

How to Get the number of elements in ArrayList in C# ?

Here's the code that demonstrates how one can get the total number of elements contained in the Arra...

How to Check if the ArrayList is read-only in C# ?

There are times when you would use the read-only wrapper in order to prevent modifying the ArrayList...