Display filtered RSS

Learn how to display filtered RSS feeds as HTML on your ASP/ASP.NET web-site
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Looking for ASP script to display RSS? Check our RSS2HTMLPro.ASP script for ASP/ASP.NET

 

How to display and filter multiple RSS feeds as HTML on ASP/ASP.NET web-server using RSS2HTML Scout library

 

You can download the source code of this example here: rss2htmlscout_asp_filter_keywords.zip

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This page provides tutorial on how to display filtered RSS content on your ASP or ASP.NET web-site using RSS2HTML Scout library. RSS2HTML Scout library is capable of converting multiple RSS feeds into HTML and filtering RSS feeds content by keywords.

Download and install RSS2HTML Scout library on your ASP/ASP.NET web-server

<%
' uncomment line below to force cache refresh on every script load
' Response.Expires = -1
 
 ' =========== RSS2HTMLScout.ASP for ASP/ASP.NET ==========
 ' copyright 2005 (c) www.Bytescout.com
 ' ===============================================
 
 Set RSS2HTMLScout = CreateObject("RSS2HTMLScoutLib.RSS2HTMLScout")
 
' ######## we use GET method
' RSS2HTMLScout.Keywords = Request.QueryString("keywords")
 
' ######## for POST method uncomment string below
' RSS2HTMLScout.Keywords = Request.Form("keywords")
 
' # we set keywords in this script
 RSS2HTMLScout.Keywords = "windows google -gmail update rss ipod"
 
 ' ##### we can add more than one RSS feed #########
 RSS2HTMLScout.AddFeed  "http://rss.news.yahoo.com/rss/internet"
 RSS2HTMLScout.AddFeed  "http://www.apple.com/main/rss/hotnews/hotnews.rss"
 RSS2HTMLScout.AddFeed  "http://google.blogspace.com/index.xml"
 RSS2HTMLScout.AddFeed  "http://blogs.pcworld.com/staffblog/index.rss"
 
' ##### set flags to serch title, description and URL
RSS2HTMLScout.FilterTitle = true
RSS2HTMLScout.FilterDescription = true
RSS2HTMLScout.FilterURL = false
 
 ' ##### max number of displayed items per feed #####
 RSS2HTMLScout.ItemsPerFeed = 5
 
 ' ##### Main template constants
 RSS2HTMLScout.MainHeader = "<table>"
 RSS2HTMLScout.MainFooter = "</table>"
 
 ' ##### channel template.
 ' ##### {LINK} will be replaced with channel link
 ' ##### {TITLE} will be replaced with channel title
 ' ##### {DESCRIPTION} will be replaced with channel description
 
 RSS2HTMLScout.ChannelHeader =  "<tr><td><b><a href=" & """{LINK}""" & ">{TITLE}</a></b></td></tr>"
 RSS2HTMLScout.ChannelFooter =  "<tr><td></td></tr>"
 
 ' ##### Item template.
 ' ##### {LINK} will be replaced with item link
 ' ##### {TITLE} will be replaced with item title
 ' ##### {DESCRIPTION} will be replaced with item description
 
 RSS2HTMLScout.ItemTemplate = "<tr><td><a href=" & """{LINK}""" & ">{TITLE}</a><BR>{DESCRIPTION}</td></tr>"
 
' ##### Not found message is used as template to show message if no items were found by filter
' ##### set .NotFoundMessage to "" to show nothing
 RSS2HTMLScout.NotFoundMessage =  "<tr><td><i>nothing found in <a href=" & """{LINK}""" & ">{TITLE}</a> feed</i></td></tr>"
 
  if RSS2HTMLScout.Execute then
 Response.Write RSS2HTMLScout.HTMLOutput
else
 Response.Write RSS2HTMLScout.ErrorMessage
  End If
 
Set RSS2HTMLScout = nothing
 
%>
 
2) Save RSS2HTMLScout.asp and place "RSS2HTMLScout.asp" into root folder of your web-server. (This folder is C:\Inetpub\wwwroot\ by default if you use Internet Information Service (IIS) on Windows 2000 and XP)

3) Now we will include content generated by RSS2HTMLScout.asp script into MyPage.ASP. Below is the content of MyPage.asp:

 

<html>
<body>
<p>My Page</p>
<p>Filtered RSS content (keywords string hardcoded in RSS2HTMLScout.asp script : <b>windows google -gmail update rss ipod</b>) is displayed below:</p>
<hr>
<!--#include virtual="RSS2HTMLScout.asp"-->
<hr>
<p>&nbsp;</p>
</body>
</html>
 

) Now open "http://localhost/MyPage.asp" (or "http://<your_webserver_name>/MyPage.asp") in Internet Explorer browser. You will see HTML page with content from different RSS feeds filtered by HTML2RSS Scout library using keywords string assigned to RSS2HTMLScout.Keywords property:

 
ASP page with RSS content displayed and filtered by RSS2HTML Scout library
 

You can also implement script to allow user enter custom keywords:

Form that can be used to enter custom keywords to filter RSS feeds before display them

You can download the source code of this example including ready-to-use scripts for GET and POST methods here: rss2htmlscout_asp_filter_keywords.zip

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