<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="RssReader" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Rss Reader</title>
</head>
<body>
<form id="form1" runat="server">
<asp:Panel ID="panSelect"
runat="server"
BorderWidth="1"
BorderStyle="Solid"
BackColor="Beige"
CssClass="SelectArea">
<h1>RSS Reader</h1>
Select a RSS feed<br />
<asp:DropDownList ID="drpFeeds" runat="server" >
<asp:ListItem Value="http://rss.cnn.com/rss/cnn_topstories.rss">CNN</asp:ListItem>
<asp:ListItem Value="http://msdn.microsoft.com/rss.xml">MSDN</asp:ListItem>
<asp:ListItem Value="http://newsrss.bbc.co.uk/rss/newsonline_uk_edition/technology/rss.xml">BBC Technology News</asp:ListItem>
</asp:DropDownList>
Select a template<br />
<asp:DropDownList ID="drpTemplates" runat="server">
<asp:ListItem Value="~/App_Data/RssTransform1.xsl">RssTransform 1</asp:ListItem>
<asp:ListItem Value="~/App_Data/RssTransform2.xsl">RssTransform 2</asp:ListItem>
</asp:DropDownList>
<asp:Button ID="btnRead" runat="server" Text="Read Feed" OnClick="btnRead_Click" />
</asp:Panel>
<asp:Panel ID="panFeed" runat="server">
<asp:Xml ID="myXml" runat="server"></asp:Xml>
</asp:Panel>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Xml;
using System.Xml.XPath;
using System.Xml.Xsl;
public partial class RssReader : System.Web.UI.Page
{
protected void btnRead_Click(object sender, EventArgs e)
{
string xmlUrl = drpFeeds.SelectedValue;
XPathDocument xpdoc = new XPathDocument(xmlUrl);
XPathNavigator xnav = xpdoc.CreateNavigator();
myXml.XPathNavigator = xnav;
string xslFilename = drpTemplates.SelectedValue;
myXml.TransformSource = xslFilename;
}
}
File: RssTransform1.xsl
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/rss/channel">
<h2 style="font: 14pt Verdana; font-weight: bold; color: #827753; background-color: #CFBD84;">
<xsl:value-of select="title" />
</h2>
<p style="font: 10pt Verdana, Helvetica; margin-bottom: 10px;">
<xsl:value-of select="description" />
<xsl:for-each select="item">
<h3 style="font: 12pt Verdana, Helvetica; border-bottom: 1px solid #A89A6C;">
<xsl:value-of select="title" />
</h3>
<p style="font: 10pt Verdana, Helvetica;">
<xsl:value-of select="description" />
<br/>
<a href="{link}">
Read more
</a>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>
File: RssTransform2.xsl
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:template match="/rss/channel">
<div>
<div style="text-transform: uppercase;">
<p style="font-size: 22px; color: #930000; margin-bottom: 2px;">
<xsl:value-of select="title" />
<p style="font-size: 11px; ">
<xsl:value-of select="description" />
</div>
<xsl:for-each select="item">
<div style="background-color: #D1D1D1; padding: 2px; margin-top: 8px;">
<p style="margin-bottom: 1px; margin-top: 1px; font-size: 16px;">
<a href="{link}" style=" color: #930000;">
<xsl:value-of select="title" />
</a>
<p style="font-size: 10px; margin-top: 1px; margin-bottom: 1px; border-bottom: 1px dashed #949494;">
<xsl:value-of select="pubDate" />
<p style="font: 11px Verdana, sans-serif; line-height: 18px; margin-top: 1px; margin-bottom: 1px;">
<xsl:value-of select="description" />
</div>
</xsl:for-each>
</div>
</xsl:template>
</xsl:stylesheet>
|