Check out example codes for "c# list to string". It will help you in understanding the concepts better.

Code Example 1

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

Code Example 2

using System.Linq;
string str = list.Aggregate((x, y) => x + ',' + y);

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