反转逗号分隔的值字符串的顺序

Question

我有一串看起来像这样的值:

strSubjectIDs = "20,19,18,17,16,15";

无论如何反转字符串的顺序,strSubjectIDs以便ID看起来像这样:

"15,16,17,18,19,20"

Answer 1

var reversedStr = string.Join(",", strSubjectIDs.Split(',').Reverse());