public static string NoHTML(string strHtml)
        {
            strHtml= Regex.Replace(strHtml, @"<script[^>]*?>.*?</script>", "",

RegexOptions.IgnoreCase);          

 strHtml= Regex.Replace(strHtml, @"<(.[^>]*)>", "", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"([rn])[s]+", "", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"-->", "", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"<!--.*", "", RegexOptions.IgnoreCase);

            strHtml= Regex.Replace(strHtml, @"&(quot|#34);", """, RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(amp|#38);", "&", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(lt|#60);", "<", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(gt|#62);", ">", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(nbsp|#160);", " ", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(iexcl|#161);", "xa1", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(cent|#162);", "xa2", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(pound|#163);", "xa3", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&(copy|#169);", "xa9", RegexOptions.IgnoreCase);
            strHtml= Regex.Replace(strHtml, @"&#(d+);", "", RegexOptions.IgnoreCase);

            strHtml.Replace("<", "");
            strHtml.Replace(">", "");
            strHtml.Replace("rn", "");
            strHtml= HttpContext.Current.Server.HtmlEncode(strHtml).Trim();

            return strHtml;
        }