[align=left]        string TargeStr = ",1,5,9,13,15,17,19,21,";

        if (TargeStr.StartsWith(",") == true)
        {
            string[] strArray = TargeStr.Trim(new char[] { ',' }).Split(',');
            for (int i = 0; i < strArray.Length; i++)
            {
                Response.Write("Index of " + i + " : " + strArray[i] + "<br>");
            }
        }[/align]

------解决方案--------------------
[Quote=引用:]

C# code

  string TargeStr = ",1,5,9,13,15,17,19,21,";

        if (TargeStr.StartsWith(",") == true)
        {
            string[] strArray = TargeStr.Trim(new char[] { ',' }).Split(',');
            for (int i = 0; i < strArray.Length; i++)
            {
                Response.Write("Index of " + i + " : " + strArray[i] + "<br>");
            }
        }

------解决方案--------------------
探讨


可以不用数组吗？  我只是想去第一个，和第二个，之间的数。不论它们之间有多少个字符，我都可以取出来，付给一个变量。