学步园

        public static StringBuilder RecursiveControl(Control ct)
        {
            StringBuilder sb = new StringBuilder();
            RecursiveControl(ct, 0 ,sb);
            return sb;
        }

        public static void RecursiveControl(Control ct,int xc,StringBuilder sb)
        {
            xc++;
            
            if (ct != null)
            {
                for (int i = 0; i < ct.Controls.Count; i++)
                {
                    for (int j = 1; j < xc; j++)
                    {
                        sb.Append("-");
                    }
                    sb.Append(ct.Controls[i].ToString());
                    sb.Append("<br/>");
                    RecursiveControl(ct.Controls[i],xc,sb);
                }
            }
            
        }

调用方法：

        StringBuilder sb = SharedClass.RecursiveControl(DataList1);
        Response.Write(sb.ToString());