c# convert list to string

stingify.cs

private string Stringify(string[] list,string seprator) {
            string result = string.Empty;
            /*
            var result = list
                .Skip(1)
                .Aggregate(
                    list.FirstOrDefault() ?? string.Empty,
                    (total, current) => total + "," + current);
                     */

            result = string.Join(seprator, list);
            return result;
        }