Convert c# HtmlTextWriter page into simple asp.net

Hi, I got an old web page which is written using HtmlTextWriter.

I have some problems to control it. So I wanted to convert that into simple asp.net page.

What is the way to do so? Below is my code:

<%@ Page Language="C#" %>
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
"C#" runat="server">
protected override void Render(HtmlTextWriter writer)
{
Response.Buffer = true;
Response.ContentEncoding = Encoding.UTF8;
String number_appl = "20170001";
String objIntel = "marks";
String username;
username = User.Identity.Name;
writer.WriteFullBeginTag("html");
writer.WriteLine();
writer.WriteBeginTag("meta");
writer.WriteAttribute("http-equiv", "Content-Type");
writer.WriteAttribute("content", "text/html; charset=utf-8");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteLine();
writer.WriteBeginTag("xml");
writer.WriteAttribute("id", "template");
writer.WriteAttribute("src", "/edit/source.aspx?objIntel=" + objIntel + "&filename=template.xml&un=");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("xml");
writer.WriteLine();
writer.WriteBeginTag("xml");
writer.WriteAttribute("id", "data");
writer.WriteAttribute("src", "/edit/source.aspx?objIntel=DataBase\\" + objIntel + "&filename=\\xmls\\" + number_appl + ".xml&un=" + username);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("xml");
writer.WriteLine();
writer.WriteBeginTag("xml");
writer.WriteAttribute("id", "style");
writer.WriteAttribute("src", "/edit/source.aspx?objIntel=" + objIntel + "&filename=b7b.xsl&un=" + username);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("xml");
writer.WriteLine();
writer.WriteBeginTag("xml");
writer.WriteAttribute("id", "xmlerror");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteBeginTag("XMLDATA");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("XMLDATA");
writer.WriteEndTag("xml");
writer.WriteLine();
writer.WriteBeginTag("LINK");
writer.WriteAttribute("REL", "STYLESHEET");
writer.WriteAttribute("HREF", "/edit/styles.css");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("LINK");
writer.WriteLine();
writer.WriteBeginTag("script");
writer.WriteAttribute("language", "JScript");
writer.WriteAttribute("src", "/edit/source.aspx?objIntel=" + objIntel + "&filename=showxml.js");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("script");
writer.WriteLine();
writer.WriteBeginTag("TITLE");
writer.Write(HtmlTextWriter.TagRightChar);
writer.Write(number_appl);
writer.WriteEndTag("TITLE");
writer.WriteLine();
writer.WriteBeginTag("body");
writer.WriteAttribute("alink", "#006666");
writer.WriteAttribute("Link", "#006666");
writer.WriteAttribute("Vlink", "#006666");
writer.WriteAttribute("bgcolor", "#f0fff0");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteLine();
writer.WriteBeginTag("DIV");
writer.WriteAttribute("id", "showResult");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("DIV");
writer.WriteLine();
writer.WriteBeginTag("FORM");
writer.WriteAttribute("ENCTYPE=", "multipart/form-data");
writer.WriteAttribute("action", "savexml.aspx?un=" + username);
writer.WriteAttribute("method", "POST");
writer.WriteAttribute("name", "FORM1");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteBeginTag("INPUT");
writer.WriteAttribute("type", "submit");
writer.WriteAttribute("name", "Enter");
writer.WriteAttribute("value", "????????????? ?????????");
writer.WriteAttribute("onClick", "achSendDataToServer()");
writer.WriteEndTag("INPUT");
writer.WriteBeginTag("INPUT");
writer.WriteAttribute("type", "hidden");
writer.WriteAttribute("name", "blob");
writer.WriteAttribute("value", "blob_xml");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("INPUT");
writer.WriteBeginTag("INPUT");
writer.WriteAttribute("type", "hidden");
writer.WriteAttribute("name", "appl_number");
writer.WriteAttribute("value", number_appl);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("INPUT");
writer.WriteBeginTag("INPUT");
writer.WriteAttribute("type", "hidden");
writer.WriteAttribute("name", "vid");
writer.WriteAttribute("value", objIntel);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("INPUT");
writer.WriteBeginTag("INPUT");
writer.WriteAttribute("type", "hidden");
writer.WriteAttribute("name", "un");
writer.WriteAttribute("value", username);
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("INPUT");
writer.WriteEndTag("FORM");
writer.WriteLine();
writer.Write(" ");
writer.WriteEndTag("body");
writer.WriteLine();
writer.WriteEndTag("html");
}

2 Replies

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forntel workonly5y ago
Accepted answer
There's a super easy fix that I've tested working on .NET core 3.1 and .NET 5. Just install NuGet package HtmlTextWriter in your .NET core project and that's it.
Ram Chan9y ago
The translation isn't that hard to make, for instance :
writer.WriteBeginTag("DIV");
writer.WriteAttribute("id", "showResult");
writer.Write(HtmlTextWriter.TagRightChar);
writer.WriteEndTag("DIV");
writer.WriteLine();
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