¼òµ¥µÄ±£Ö¤Ô­ÑùÊä³öhtmlµÄc#´úÂë

 public string NoExcuteHtml(string Htmlstring)
    {
        string x = string.Empty;
        x = Htmlstring.Replace(@"&", "&");//½«&ÉèÖÃΪ±£Áô×Ö
        x = x.Replace(@"<", "&lt;"); 
        x = x.Replace(@">", "&gt;");
        x = x.Replace(@" ", "&nbsp;");
        x = x.Replace("\r\n", "<br/>");
        return x;
    }