list int to string comma separated c# code example

Example 1: c# list to string comma separated

IList<string> strings = new List<string>{"1","2","testing"};
string joined = string.Join(",", strings);

Example 2: convert string list to comma separated string c#

string[] animals = { "Cat", "Alligator", "Fox", "Donkey" };
var str = String.Join(",", animals);