c# list join comma 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: c# list join

List<string> names = new List<string>() { "John", "Anna", "Monica" };
var result = String.Join(", ", names.ToArray());

Example 3: how to join array indexes with comma in c#

List<string> testList= new List<string>();
testList.Add("Apple"); // Add string 1
testList.Add("Banana"); // 2
testList.Add("Mango"); // 3
testList.Add("Blue Berry"); // 4
testList.Add("Water Melon"); // 5

string JoinDataString = string.Join(",", testList.ToArray());