asp.net 遍历一个所有控件

遍历一个用户控件里的所有控件

 ///

        /// 找控件
        ///

        /// 控件ID
        /// 控件集合
        ///
        public Control FindControlPoint(string ctlID, ControlCollection ctlColl)
        {
            Control retCtl = null;
            foreach (Control cc in ctlColl)
            {
                if (cc.ID == ctlID)
                {
                    retCtl = cc;
                    break;
                }
                retCtl = FindControlPoint(ctlID, cc.Controls);
                if (null != retCtl)
                {
                    break;
                }
            }
            return retCtl;
        }