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How to create a comma separated string from List string in C#

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To create a comma separated string from a list string, we can use the String.join() method in C#.

Here is an example that converts myList to commaString.

using System;
using System.Collections.Generic;

class ConvertEnum {
 static void Main() {

  IList<string> myList = new List<string>{"Hello","1","testing","2"};
  string commaString = string.Join(",", myList);

     System.Console.WriteLine(commaString);
  }
}

Output:

Hello,1,testing,2