java.net.URLEncoder URLEncoder System.Web.HttpUtility System.Object CS2JNet.System.Web.HttpUtilSupport HttpUtilSupport.HtmlEncode(${str}) System.String str HtmlEncode System.String CS2JNet.System.Web.HttpUtilSupport HttpUtilSupport.UrlEncode(${str}) System.String str UrlEncode System.String CS2JNet.System.Web.HttpUtilSupport HttpUtilSupport.UrlDecode(${str}) System.String str UrlDecode System.String