/// <summary>
/// 清楚HTML中的特殊字符
/// </summary>
/// <param name="Htmlstring"></param>
/// <returns></returns>
public static string DelHTML(string Htmlstring)
{
if (string.IsNullOrEmpty(Htmlstring))
return "";
//特殊的字符
Htmlstring = Htmlstring.Replace("&", "");
Htmlstring = Htmlstring.Replace("<", "");
Htmlstring = Htmlstring.Replace(">", "");
Htmlstring = Htmlstring.Replace("*", "");
Htmlstring = Htmlstring.Replace("-", "");
Htmlstring = Htmlstring.Replace("?", "");
Htmlstring = Htmlstring.Replace(",", "");
Htmlstring = Htmlstring.Replace("/", "");
Htmlstring = Htmlstring.Replace(";", "");
Htmlstring = Htmlstring.Replace("*/", "");
Htmlstring = Htmlstring.Replace("\r\n", "");
Htmlstring = HttpContext.Current.Server.HtmlEncode(Htmlstring).Trim();
return Htmlstring;
}