long[] or int[] convert to string[] method

1.

 List<long> ids = new List<long> { 36, 37, 38 };

 

            string ddlist = string.Join<long>(",", ids);

            string[] list1 = ddlist.Split(',');

 

2.

 

List<long> ids = new List<long> { 36, 37, 38 };

 

string[] list = ids.ConvertAll(new Converter<long,string>(IntToString)).ToArray();

  public static string IntToString(long i)

        {

            return i.ToString();

        }