ASP.NET Tutorial/XML/XslTransform — различия между версиями
Admin (обсуждение | вклад) м (1 версия) |
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Версия 15:30, 26 мая 2010
Содержание
Display data from database in asp:Xml with xml transformation
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="XmlDataSet" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div class="Box">
<asp:Button ID="cmdDataSetToXml" runat="server" Text="Display DataSet as XML" OnClick="cmdDataSetToXml_Click" Width="185px"/>
<asp:Xml ID="XmlControl" runat="server" EnableViewState="False"></asp:Xml><br />
</div>
</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.Data.SqlClient;
using System.Web.Configuration;
using System.Xml;
public partial class XmlDataSet : System.Web.UI.Page
{
protected void cmdDataSetToXml_Click(object sender, EventArgs e)
{
string connectionString =
WebConfigurationManager.ConnectionStrings["Pubs"].ConnectionString;
string SQL = "SELECT * FROM authors WHERE city="Oakland"";
SqlConnection con = new SqlConnection(connectionString);
SqlCommand cmd = new SqlCommand(SQL, con);
SqlDataAdapter adapter = new SqlDataAdapter(cmd);
DataSet ds = new DataSet("AuthorsDataSet");
con.Open();
adapter.Fill(ds, "AuthorsTable");
con.Close();
XmlDataDocument dataDoc = new XmlDataDocument(ds);
XmlControl.XPathNavigator = dataDoc.CreateNavigator();
XmlControl.TransformSource = "Data.xsl";
}
}
File: Data.xsl
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0">
<xsl:template match="AuthorsDataSet">
<h1>The Author List</h1>
<xsl:apply-templates select="AuthorsTable"/>
<i>Created through XML and XSLT</i>
</xsl:template>
<xsl:template match="AuthorsTable">
<b>Name: </b><xsl:value-of select="au_lname"/>, <xsl:value-of select="au_fname"/>
<br/>
<b>Phone: </b> <xsl:value-of select="phone"/>
</xsl:template>
</xsl:stylesheet>
File: Web.config
<?xml version="1.0"?>
<configuration>
<connectionStrings>
<add name="Pubs" connectionString="Data Source=localhost\SQLEXPRESS;Integrated Security=SSPI;Initial Catalog=Pubs;"/>
</connectionStrings>
</configuration>
Read the transformed result of XslTransform and output the result (VB.net)
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.XPath" %>
<%@ Import Namespace="System.Xml.Xsl" %>
<script runat="server">
sub Page_Load(Sender as Object, e as EventArgs)
Dim objReader as New XmlTextReader(Server.MapPath("Data.xml"))
Dim objDoc as XPathDocument = new XPathDocument(objReader)
Dim objXSLT As XslTransform = New XslTransform()
dim objWriter as XmlTextWriter = new XmlTextWriter(Server.MapPath("output.html"), nothing)
try
objXSLT.Load(Server.MapPath("Data.xsl"))
dim objReader2 as XmlReader = objXslT.Transform(objDoc, nothing)
While objReader2.Read()
Response.Write("<b>" & objReader2.Name & "</b> " & _
objReader2.Value & "<br>")
End While
catch ex As Exception
Response.Write(ex.Message)
finally
objReader.Close
objWriter.Close
end try
end sub
</script>
<html><body>
</body></html>
File: Data.xml
<?xml version="1.0"?>
<bookstore>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
</bookstore>
File: Data.xsl
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:op="x-schema:books.xdr"
version="1.0" >
<xsl:template match="op:bookstore">
<HTML><BODY>
<TABLE width="450">
<TR>
<TD><b>Title</b></TD>
<TD><b>Price</b></TD>
</TR>
<xsl:apply-templates select="op:book"/>
</TABLE>
</BODY></HTML>
</xsl:template>
<xsl:template match="op:book">
<TR>
<TD><xsl:value-of select="op:title"/></TD>
<TD><xsl:value-of select="op:price"/></TD>
</TR>
</xsl:template>
</xsl:stylesheet>
Transform XML document to HTML
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="XmlToHtml" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</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.Xsl;
using System.Xml.XPath;
using System.Xml;
public partial class XmlToHtml : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string xslFile = Server.MapPath("Data.xslt");
string xmlFile = Server.MapPath("Data.xml");
string htmlFile = Server.MapPath("Data.htm");
XslTransform transf = new XslTransform();
transf.Load(xslFile);
transf.Transform(xmlFile, htmlFile);
XPathDocument xdoc = new XPathDocument(new XmlTextReader(xmlFile));
XPathNavigator xnav = xdoc.CreateNavigator();
XmlReader reader = transf.Transform(xnav, null);
reader.MoveToContent();
Response.Write(reader.ReadOuterXml());
reader.Close();
}
}
File: Data.xml
<?xml version="1.0"?>
<Data>
<DVD ID="1" Category="Category 1">
<Title>title 1</Title>
<Director>directory 2</Director>
<Price>1</Price>
<Starring>
<Star>star 1</Star>
<Star>star 2</Star>
</Starring>
</DVD>
<DVD ID="2" Category="Category 2">
<Title>title 2</Title>
<Director>directory 2</Director>
<Price>2</Price>
<Starring>
<Star>star 3</Star>
<Star>star 4</Star>
</Starring>
</DVD>
</Data>
File: Data.xsl
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml"/>
<xsl:template match="/">
<xsl:element name="Movies">
<xsl:apply-templates select="//DVD" />
</xsl:element>
</xsl:template>
<xsl:template match="DVD">
<xsl:element name="{name()}">
<xsl:attribute name="ID">
<xsl:value-of select="@ID"/>
</xsl:attribute>
<xsl:attribute name="Title">
<xsl:value-of select="Title/text()"/>
</xsl:attribute>
<xsl:apply-templates select="Starring" />
</xsl:element>
</xsl:template>
<xsl:template match="Starring">
<xsl:element name="Stars">
<xsl:attribute name="Name">
<xsl:value-of select="Star/text()"/>
</xsl:attribute>
</xsl:element>
</xsl:template>
</xsl:stylesheet>
Use XslTransform to trasnform XML data to HTML file (VB.net)
<%@ Page Language="VB" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.XPath" %>
<%@ Import Namespace="System.Xml.Xsl" %>
<script runat="server">
sub Page_Load(Sender as Object, e as EventArgs)
Dim objReader as New XmlTextReader(Server.MapPath("Data.xml"))
Dim objDoc as XPathDocument = new XPathDocument(objReader)
Dim objNav as XPathNavigator = objDoc.CreateNavigator()
Dim objXSLT As XslTransform = New XslTransform()
dim objWriter as XmlTextWriter = new XmlTextWriter(Server.MapPath("output.html"), nothing)
try
objXSLT.Load(Server.MapPath("Data.xslt"))
objXSLT.Transform(objDoc, nothing, objWriter)
Response.Write("File written successfully")
catch ex As Exception
Response.Write(ex.Message)
finally
objReader.Close
objWriter.Close
end try
end sub
</script>
<html><body>
</body></html>
File: Data.xml
<?xml version="1.0"?>
<bookstore>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
<book genre="asdf">
<title>asdf</title>
<author>
<first-name>asdf</first-name>
<last-name>asdf</last-name>
</author>
<price>asdf</price>
</book>
</bookstore>
File: Data.xsl
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
xmlns:op="x-schema:books.xdr"
version="1.0" >
<xsl:template match="op:bookstore">
<HTML><BODY>
<TABLE width="450">
<TR>
<TD><b>Title</b></TD>
<TD><b>Price</b></TD>
</TR>
<xsl:apply-templates select="op:book"/>
</TABLE>
</BODY></HTML>
</xsl:template>
<xsl:template match="op:book">
<TR>
<TD><xsl:value-of select="op:title"/></TD>
<TD><xsl:value-of select="op:price"/></TD>
</TR>
</xsl:template>
</xsl:stylesheet>