去掉（ 和空格）

#region 去掉空格
        /// <summary>
        /// 去掉空格
        /// </summary>
        /// <param name="str"></param>
        /// <returns></returns>
        private string testkg(string str)
        {
            str = System.Text.RegularExpressions.Regex.Replace(str, @"&nbsp;", "", System.Text.RegularExpressions.RegexOptions.IgnoreCase);
            return System.Text.RegularExpressions.Regex.Replace(str, "([ 　]+)", "");
        }
        #endregion