逗號字符串排序

 1   public String StrSort(string Str) 2         { 3             var tempOption = Str.TrimEnd(',').Split(','); 4             var text = ""; 5             if (tempOption.Length > 1) 6             { 7                 Array.Sort(tempOption); 8             } 9             for (int i = 0; i < tempOption.Length; i++)10             {11                 if (i != tempOption.Length - 1)12                 {13                     text += tempOption[i] + ",";14                 }15                 else16                 {17                     text += tempOption[i];18                 }19             }20             return text;21         }