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In addition to creating RSS feeds for Kentico content, you can also use external RSS feeds (i.e. feeds published on other websites) as a source of data and display the data on your website.
The following example demonstrates how to use the RSS data source and Basic repeater web parts to display content of an external feed on your website. The example uses the main blog post feed from Kentico DevNet: http://devnet.kentico.com/CMSPages/BlogRss.aspx (opens in a new tab)
Add the RSS data source web part onto your site:
Add the second web part:
Data source name: KenticoBlogsRSS
Transformation name: click New and create a new transformation with the code below.
<h2>
<a href="<%# Eval("link")%>">
<%# Eval("title") %>
</a>
</h2>
<p>
<strong>Published</strong>: <%# Eval("pubdate") %>
</p>
<p>
<%# Eval("description") %>
</p>
<br/>The transformation code transforms the link, pubdate and description elements of each record provided by the feed. Content of the elements is retrieved using the Eval method, with the element name specified as the parameter.
On the Design tab, you can see the web parts.
If you switch to the live site and view the new page, you can see the content of the RSS feed.