///

///过滤标记///

/// 包括HTML，脚本，数据库关键字，特殊字符的源码

/// 已经去除标记后的文字

public string NoHtml(stringHtmlstring)

{if (Htmlstring == null)

{return "";

}else{//删除脚本

Htmlstring = Regex.Replace(Htmlstring, @"", "", RegexOptions.IgnoreCase);//删除HTML

Htmlstring = Regex.Replace(Htmlstring, @"]*)>", "", RegexOptions.IgnoreCase);

Htmlstring= Regex.Replace(Htmlstring, @"([\r\n])[\s]+", "", RegexOptions.IgnoreCase);

Htmlstring= Regex.Replace(Htmlstring, @"-->", "", RegexOptions.IgnoreCase);

Htmlstring= Regex.Replace(Htmlstring, @"