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ASP.Net/XML/XmlDataSource - История изменений
2026-04-29T19:52:17Z
История изменений этой страницы в вики
MediaWiki 1.30.0
http://nfex.ru/index.php?title=ASP.Net/XML/XmlDataSource&diff=1834&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:47Z
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<tr style="vertical-align: top;" lang="ru">
<td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td>
<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:30, 26 мая 2010</td>
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http://nfex.ru/index.php?title=ASP.Net/XML/XmlDataSource&diff=1835&oldid=prev
Admin: 1 версия
2010-05-26T11:51:37Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>==asp:Xml datasource==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<!-- File: XmlAdPanel.aspx --><br />
<%@ Page language="c#" %><br />
<HTML><br />
<body><br />
<form runat="server"><br />
<asp:Xml id=_xml1 runat="server" <br />
DocumentSource="sample.xml" <br />
TransformSource="sampleTransform.xsl"><br />
</asp:Xml><br/><br />
<asp:Panel id=_p1 runat=server HorizontalAlign="center"<br />
Visible="true" bgColor="cornsilk"><br />
<asp:Label id=_l1 runat=server>Panel label</asp:Label><br />
<br/><br />
<asp:TextBox id=_tb1 runat=server/><br />
<br/><br />
<asp:Button Text="Push me!" runat=server/><br />
</asp:Panel> <br />
</FORM><br />
<br />
</body><br />
</HTML><br />
<br />
<%--<br />
<items><br />
<item>item 1</item><br />
<item>item 2</item><br />
<item>item 3</item><br />
<item>item 4</item><br />
</items><br />
--%><br />
<%--<br />
<xsl:transform xmlns:xsl="http://www.w3.org/1999/XSL/Transform"<br />
version="1.0"><br />
<br />
<xsl:output method="html" indent="yes"/><br />
<xsl:template match="item"><br />
<li><br />
<xsl:apply-templates /><br />
</li><br />
</xsl:template><br />
<xsl:template match="items"><br />
<ul><br />
<xsl:apply-templates /><br />
</ul><br />
</xsl:template><br />
<!-- Root template match --> <br />
<xsl:template match="/"><br />
<xsl:apply-templates/><br />
</xsl:template><br />
</xsl:transform><br />
<br />
--%><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Binding XML Data from an XmlDataSource Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head><br />
<title>Binding XML Data from an XmlDataSource Control</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView ID="bookView" Runat="server" DataSourceID="bookSource"><br />
<DataBindings><br />
<asp:TreeNodeBinding ImageUrl="~/Images/openbook.gif" TextField="Title" DataMember="book"></asp:TreeNodeBinding><br />
<asp:TreeNodeBinding ImageUrl="~/Images/notepad.gif" TextField="name" DataMember="chapter"></asp:TreeNodeBinding><br />
</DataBindings><br />
</asp:TreeView> <br />
<asp:XmlDataSource ID="bookSource" Runat="server" DataFile="~/Data.xml"<br />
XPath="Data/genre[@name="Fiction"]/book"><br />
</asp:XmlDataSource> <br />
</div> <br />
</form><br />
XPath="Data/genre[@name="Fiction"]/book"</body><br />
</html><br />
File: ~/Data.xml<br />
<Data><br />
<genre name="Fiction"><br />
<book ISBN="1" Title="title 1" Price="19.99" Discount="1.999"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="2" Title="title 2" Price="27.95" Discount="2.795"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
</Data><br />
</source><br />
<br />
<br />
<br />
<br />
==Binding XML Data from Other Sources==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<%@ Import Namespace="System.Data.SqlClient" %><br />
<%@ Import Namespace="System.Xml" %><br />
<%@ Import Namespace="System.Web.Configuration" %><br />
<script runat="server"> <br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
string connectionString = WebConfigurationManager.ConnectionStrings["AdventureWorks"].ConnectionString;<br />
using (SqlConnection connection = new SqlConnection(connectionString))<br />
{<br />
connection.Open();<br />
string sql = "Select ProductID, Name from Production.Product AS Product " +<br />
"Order by ProductID FOR XML AUTO, ROOT("Products")";<br />
SqlCommand command = new SqlCommand(sql, connection);<br />
XmlReader reader = command.ExecuteXmlReader(); <br />
XmlDocument doc = new XmlDocument();<br />
doc.Load(reader);<br />
productsSource.Data = doc.OuterXml;<br />
productsSource.XPath = "Products/Product";<br />
}<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml"><br />
<head><br />
<title>Binding XML Data from Other Sources</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<asp:XmlDataSource id="productsSource" runat="server"/><br />
<asp:GridView ID="productView" Runat="server" DataSourceID="productsSource" <br />
AutoGenerateColumns="False"><br />
<Columns><br />
<asp:BoundField HeaderText="Product ID" DataField="ProductID"></asp:BoundField><br />
<asp:BoundField HeaderText="Product Name" DataField="Name"></asp:BoundField> <br />
</Columns><br />
</asp:GridView> <br />
</form><br />
</body><br />
</html><br />
</source><br />
<br />
<br />
<br />
<br />
==Caching XML Data in an XmlDataSource Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<br />
<%--<br />
Code Revised from<br />
<br />
Professional ASP.NET 2.0 XML (Programmer to Programmer) (Paperback)<br />
by Thiru Thangarathinam <br />
# Publisher: Wrox (January 18, 2006)<br />
# Language: English<br />
# ISBN: 0764596772<br />
--%> <br />
<br />
<%@ Page Language="C#" %><br />
<%@ Import Namespace="System.Xml" %><br />
<script runat="server"><br />
void Page_Load(object sender, EventArgs e)<br />
{<br />
lblCurrentTime.Text = "Current Time is : " + DateTime.Now.ToLongTimeString(); <br />
} <br />
<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head><br />
<title>Caching XML Data in an XmlDataSource Control</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div> <br />
<asp:Label Runat="server" ID="lblCurrentTime"></asp:Label> <br />
<asp:GridView ID="GridView1" Runat="server" DataSourceID="XmlDataSource1" AutoGenerateColumns="False"><br />
<Columns><br />
<asp:BoundField HeaderText="ISBN" DataField="ISBN" SortExpression="ISBN"></asp:BoundField><br />
<asp:BoundField HeaderText="Title" DataField="Title" SortExpression="Title"></asp:BoundField><br />
<asp:BoundField HeaderText="Price" DataField="Price" SortExpression="Price"></asp:BoundField><br />
</Columns><br />
</asp:GridView> <br />
<asp:XmlDataSource EnableCaching="true" CacheDuration="100" CacheExpirationPolicy="Absolute"<br />
ID="XmlDataSource1" Runat="server" DataFile="Bookstore.xml"<br />
XPath="bookstore/genre[@name="Fiction"]/book"><br />
</asp:XmlDataSource><br />
</div><br />
</form><br />
</body><br />
</html><br />
<br />
<br />
<%--<br />
<bookstore><br />
<genre name="Fiction"><br />
<book ISBN="10-861003-324" Title="title 1" Price="19.99"><br />
<chapter num="1" name="Introduction"><br />
A<br />
</chapter><br />
<chapter num="2" name="Body"><br />
B<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
C<br />
</chapter><br />
</book><br />
<book ISBN="1-861001-57-5" Title="title " Price="24.95"><br />
<chapter num="1" name="Introduction"><br />
D<br />
</chapter><br />
<chapter num="2" name="Body"><br />
E<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
F<br />
</chapter><br />
</book> <br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="10-861003-324" Title="title 2" Price="19.99"><br />
<chapter num="1" name="Introduction"><br />
G<br />
</chapter><br />
<chapter num="2" name="Body"><br />
H<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
I<br />
</chapter><br />
</book> <br />
<book ISBN="1-861001-57-6" Title="title 3" Price="27.95"><br />
<chapter num="1" name="Introduction"><br />
J<br />
</chapter><br />
<chapter num="2" name="Body"><br />
K<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
L<br />
</chapter><br />
</book><br />
</genre><br />
</bookstore><br />
--%><br />
<br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Create asp XmlDataSource==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%--<br />
Code Revised from<br />
<br />
Professional ASP.NET 2.0 XML (Programmer to Programmer) (Paperback)<br />
by Thiru Thangarathinam <br />
# Publisher: Wrox (January 18, 2006)<br />
# Language: English<br />
# ISBN: 0764596772<br />
--%> <br />
<br />
<br />
<br />
<%@ Page Language="C#" %><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head><br />
<title>Binding XML Data from an XmlDataSource Control</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView ID="TreeView1" Runat="server" DataSourceID="XmlDataSource1"><br />
<DataBindings><br />
<asp:TreeNodeBinding ImageUrl="openbook.gif" TextField="Title" DataMember="book"></asp:TreeNodeBinding><br />
<asp:TreeNodeBinding ImageUrl="notepad.gif" TextField="name" DataMember="chapter"></asp:TreeNodeBinding><br />
</DataBindings><br />
</asp:TreeView> <br />
</div><br />
<div><br />
<asp:XmlDataSource ID="XmlDataSource1" Runat="server" DataFile="Bookstore.xml"<br />
XPath="bookstore/genre[@name="Fiction"]/book"><br />
</asp:XmlDataSource><br />
</div><br />
</form><br />
XPath="bookstore/genre[@name="Fiction"]/book"</body><br />
</html><br />
<br />
<%-- Bookstore.xml<br />
<bookstore><br />
<genre name="Fiction"><br />
<book ISBN="10-861003-324" Title="title 1" Price="19.99"><br />
<chapter num="1" name="Introduction"><br />
A<br />
</chapter><br />
<chapter num="2" name="Body"><br />
B<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
C<br />
</chapter><br />
</book><br />
<book ISBN="1-861001-57-5" Title="title " Price="24.95"><br />
<chapter num="1" name="Introduction"><br />
D<br />
</chapter><br />
<chapter num="2" name="Body"><br />
E<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
F<br />
</chapter><br />
</book> <br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="10-861003-324" Title="title 2" Price="19.99"><br />
<chapter num="1" name="Introduction"><br />
G<br />
</chapter><br />
<chapter num="2" name="Body"><br />
H<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
I<br />
</chapter><br />
</book> <br />
<book ISBN="1-861001-57-6" Title="title 3" Price="27.95"><br />
<chapter num="1" name="Introduction"><br />
J<br />
</chapter><br />
<chapter num="2" name="Body"><br />
K<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
L<br />
</chapter><br />
</book><br />
</genre><br />
</bookstore><br />
--%><br />
<br />
</source><br />
<br />
<br />
<br />
<br />
==Enter an XML filename or raw XML starting with ==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<br />
<%@ Page Language="C#" %><br />
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" ><br />
<HTML><br />
<HEAD><br />
<title>Default</title><br />
<script runat="server"><br />
private void LoadButton_Click(object sender, System.EventArgs e) {<br />
System.IO.Stream xmlDocStream = GetXmlDoc(XmlSourceTextBox.Text);<br />
System.Xml.XmlDocument xmlSource = new System.Xml.XmlDocument();<br />
xmlSource.Load(xmlDocStream);<br />
ResultText.Text=xmlSource.InnerXml;<br />
}<br />
public static System.IO.Stream GetXmlDoc(string xmlsource) {<br />
System.IO.Stream stream=null;<br />
if(xmlsource.StartsWith("<?xml") || xmlsource.StartsWith("<schema") ) {<br />
stream = new System.IO.MemoryStream(System.Text.ASCIIEncoding.ASCII.GetBytes(xmlsource));<br />
} else {<br />
try {<br />
System.Uri xmluri = new System.Uri(xmlsource); <br />
if(xmluri.IsFile) {<br />
stream = new System.IO.FileStream(xmlsource, System.IO.FileMode.Open);<br />
} else {<br />
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest) System.Net.WebRequest.Create(xmluri);<br />
System.Net.WebResponse response = request.GetResponse(); <br />
stream = response.GetResponseStream();<br />
}<br />
}catch(Exception e) {<br />
}<br />
}<br />
return stream;<br />
}<br />
</script><br />
</HEAD><br />
<body><br />
<form id="Form1" method="post" runat="server"><br />
Enter an XML filename or just some raw XML starting with &lt;?xml:<br /><br />
<asp:textbox id="XmlSourceTextBox" runat="server" Width="377px" Height="162px" TextMode="MultiLine"></asp:textbox><br /><br />
<asp:button id="LoadButton" runat="server" Text="Load XML Document" OnClick="LoadButton_Click"></asp:button><br /><br />
<asp:TextBox id="ResultText" runat="server" Width="381px" Height="194px" TextMode="MultiLine"></asp:TextBox><br />
</form><br />
</body><br />
</HTML><br />
</source><br />
<br />
<br />
<br />
<br />
==Fill XmlDataSource with your code==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="XmlDataSourceNoFile" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:XmlDataSource ID="sourceDVD" runat="server" ></asp:XmlDataSource><br />
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataSourceID="sourceDVD"><br />
<Columns><br />
<asp:TemplateField HeaderText="DVD"><br />
<ItemTemplate><br />
<%#XPath("./@ID")%><br /><br />
<b><%#XPath("./Title")%></b><br /><br />
<%#XPath("./Director")%><br /><br />
<%#XPath("./Price", "{0:c}")%><br /><br />
</ItemTemplate><br />
</asp:TemplateField><br />
</Columns><br />
</asp:GridView><br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Default.aspx.cs<br />
using System;<br />
using System.Data;<br />
using System.Configuration;<br />
using System.Collections;<br />
using System.Web;<br />
using System.Web.Security;<br />
using System.Web.UI;<br />
using System.Web.UI.WebControls;<br />
using System.Web.UI.WebControls.WebParts;<br />
using System.Web.UI.HtmlControls;<br />
public partial class XmlDataSourceNoFile : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
sourceDVD.Data=@"<DvdList><br />
<DVD ID="1" Category="category 1"><br />
<Title>title 1</Title><br />
<Director>director 1</Director><br />
<Price>1</Price><br />
<Starring><br />
<Star>star 1</Star><br />
<Star>star 2</Star><br />
</Starring><br />
</DVD><br />
</DvdList>";<br />
<br />
}<br />
}<br />
</source><br />
<br />
<br />
<br />
<br />
==Handling XmlDataSource Events==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<%@ Import Namespace="System.Xml.Xsl" %><br />
<script runat="server"><br />
protected void bookSource_Transforming(object sender, EventArgs e) <br />
{<br />
int discountPercentage = 10; <br />
XsltArgumentList argList = new XsltArgumentList();<br />
argList.AddParam("discount", "", discountPercentage.ToString());<br />
((XmlDataSource) sender).TransformArgumentList = argList;<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head><br />
<title>Handling XmlDataSource Events</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div><br />
<asp:GridView ID="bookView" Runat="server" DataSourceID="bookSource" AutoGenerateColumns="False"><br />
<Columns><br />
<asp:BoundField HeaderText="ISBN" DataField="ISBN" SortExpression="ISBN"></asp:BoundField><br />
<asp:BoundField HeaderText="Title" DataField="Title" SortExpression="Title"></asp:BoundField><br />
<asp:BoundField HeaderText="Price" DataField="Price" SortExpression="Price"></asp:BoundField><br />
<asp:BoundField HeaderText="Discount" DataField="Discount" SortExpression="Discount"></asp:BoundField><br />
</Columns><br />
</asp:GridView> <br />
<asp:XmlDataSource ID="bookSource" Runat="server" DataFile="~/Data.xml"<br />
XPath="Data/genre[@name ="Fiction"]/book" TransformFile="~/Data_with_parameter.xsl"<br />
OnTransforming="bookSource_Transforming"> <br />
</asp:XmlDataSource>&nbsp;<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: ~/Data.xml<br />
<Data><br />
<genre name="Fiction"><br />
<book ISBN="1" Title="title 1" Price="19.99" Discount="1.999"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="2" Title="title 2" Price="27.95" Discount="2.795"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
</Data><br />
File: ~/Data_with_parameter.xsl<br />
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"><br />
<xsl:param name="discount"/><br />
<xsl:template match="Data"><br />
<Data><br />
<xsl:apply-templates select="genre"/><br />
</Data><br />
</xsl:template><br />
<xsl:template match="genre"><br />
<genre><br />
<xsl:attribute name="name"><br />
<xsl:value-of select="@name"/><br />
</xsl:attribute><br />
<xsl:apply-templates select="book"/><br />
</genre><br />
</xsl:template><br />
<xsl:template match="book"><br />
<book><br />
<xsl:attribute name="ISBN"><br />
<xsl:value-of select="@ISBN"/><br />
</xsl:attribute><br />
<xsl:attribute name="title"><br />
<xsl:value-of select="@Title"/><br />
</xsl:attribute><br />
<xsl:attribute name="price"><br />
<xsl:value-of select="@Price"/><br />
</xsl:attribute><br />
<xsl:attribute name="discount"><br />
<xsl:value-of select="$discount * @Price"/><br />
</xsl:attribute><br />
<xsl:apply-templates select="chapters/chapter" /><br />
</book><br />
</xsl:template><br />
<xsl:template match="chapter"><br />
<chapter><br />
<xsl:attribute name="num"><br />
<xsl:value-of select="@num"/><br />
</xsl:attribute><br />
<xsl:attribute name="name"><br />
<xsl:value-of select="@name"/><br />
</xsl:attribute><br />
<xsl:apply-templates/><br />
</chapter><br />
</xsl:template><br />
</xsl:stylesheet><br />
</source><br />
<br />
<br />
<br />
<br />
==Programmatically Creating an XmlDataSource Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<script runat="server"> <br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
XmlDataSource bookSource = new XmlDataSource();<br />
bookSource.DataFile = "~/Data.xml";<br />
bookSource.XPath = "Data/genre[@name ="Fiction"]/book";<br />
bookView.DataSource = bookSource;<br />
bookView.DataBind();<br />
}<br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml"><br />
<head><br />
<title>Programmatically Creating an XmlDataSource Control</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div><br />
<asp:GridView ID="bookView" Runat="server" AutoGenerateColumns="False"><br />
<Columns><br />
<asp:BoundField HeaderText="ISBN" DataField="ISBN" SortExpression="ISBN"></asp:BoundField><br />
<asp:BoundField HeaderText="Title" DataField="Title" SortExpression="Title"></asp:BoundField><br />
<asp:BoundField HeaderText="Price" DataField="Price" SortExpression="Price"></asp:BoundField><br />
</Columns><br />
</asp:GridView> <br />
</div><br />
</form><br />
</body><br />
</html><br />
File: ~/Data.xml<br />
<Data><br />
<genre name="Fiction"><br />
<book ISBN="1" Title="title 1" Price="19.99" Discount="1.999"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="2" Title="title 2" Price="27.95" Discount="2.795"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
</Data><br />
</source><br />
<br />
<br />
<br />
<br />
==Updating Data through XmlDataSource Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<%@ Import NameSpace="System.Xml" %><br />
<script runat="server" ><br />
void btnDiscount_Click(Object sender, EventArgs e)<br />
{<br />
XmlDocument doc = new XmlDocument();<br />
doc = (XmlDocument)bookSource.GetXmlDocument();<br />
double discountPercent = Convert.ToInt32(txtDiscountPercent.Text);<br />
string path = "Data/genre/book";<br />
XmlNodeList nodeList = doc.SelectNodes(path);<br />
for(int i=0; i< nodeList.Count ; i++)<br />
{<br />
XmlNode node = nodeList[i];<br />
double price = Convert.ToDouble(node.Attributes["Price"].Value);<br />
double discount = price * (discountPercent/100);<br />
XmlAttribute discountAttribute = doc.CreateAttribute("Discount");<br />
discountAttribute.Value = discount.ToString();<br />
node.Attributes.Append(discountAttribute); <br />
}<br />
bookSource.Save();<br />
bookRepeater.DataBind();<br />
}<br />
</script><br />
<html><br />
<head><br />
<title>Updating Data through XmlDataSource Control</title><br />
</head><br />
<body><br />
<form id="Form1" runat="server" ><br />
<asp:XmlDataSource runat="server" ID="bookSource" XPath="Data/genre/book"<br />
DataFile="~/Data.xml" EnableViewState="True"/><br />
<asp:Repeater runat="server" ID="bookRepeater" DataSourceID="bookSource" ><br />
<ItemTemplate ><br />
<h2><%# XPath ("@Title") %> </h2><br />
<b>ISBN:</b><%# XPath ("@ISBN") %> <%# XPath ("author/last-name/text()") %> <br />
<b>Price:</b><%# XPath ("@Price") %><br />
<b>Discount:</b><%# XPath ("@Discount") %><br />
</ItemTemplate><br />
</asp:Repeater><br />
<p><br />
Enter the discount percentage:<asp:TextBox runat="server" ID="txtDiscountPercent" /><br />
<asp:Button runat="server" ID="btnAddDiscount" onclick="btnDiscount_Click"<br />
Text="Add Discount" /></p><br />
</form><br />
</body><br />
</html><br />
File: ~/Data.xml<br />
<Data><br />
<genre name="Fiction"><br />
<book ISBN="1" Title="title 1" Price="19.99" Discount="1.999"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
<genre name="NonFiction"><br />
<book ISBN="2" Title="title 2" Price="27.95" Discount="2.795"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
</Data><br />
</source><br />
<br />
<br />
<br />
<br />
==Use ItemTemplate and XPath to display data from XmlDataSource==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="false" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:XmlDataSource ID="sourceDVD" <br />
runat="server" <br />
DataFile="~/Data.xml"><br />
</asp:XmlDataSource><br />
<asp:GridView ID="GridView1" <br />
runat="server" <br />
AutoGenerateColumns="False" <br />
DataSourceID="sourceDVD"><br />
<Columns><br />
<asp:TemplateField HeaderText="DVD"><br />
<ItemTemplate><br />
<%#XPath("./@ID")%><br /><br />
<b><%#XPath("./Title")%></b><br /><br />
<%#XPath("./Director")%><br /><br />
<%#XPath("./Price", "{0:c}")%><br /><br />
</ItemTemplate><br />
</asp:TemplateField><br />
</Columns><br />
</asp:GridView><br />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<DvdList><br />
<DVD ID="1" Category="Category 1"><br />
<Title>title 1</Title><br />
<Director>directory 2</Director><br />
<Price>1</Price><br />
<Starring><br />
<Star>star 1</Star><br />
<Star>star 2</Star><br />
</Starring><br />
</DVD><br />
<DVD ID="2" Category="Category 2"><br />
<Title>title 2</Title><br />
<Director>directory 2</Director><br />
<Price>2</Price><br />
<Starring><br />
<Star>star 3</Star><br />
<Star>star 4</Star><br />
</Starring><br />
</DVD><br />
</DvdList><br />
</source><br />
<br />
<br />
<br />
<br />
==Using Inline XML Data in an XmlDataSource Control==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" %><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head><br />
<title>Using Inline XML Data in an XmlDataSource Control</title><br />
</head><br />
<body> <br />
<form id="form1" runat="server"><br />
<div><br />
<asp:TreeView ID="bookView" Runat="server" DataSourceID="bookSource"><br />
<DataBindings><br />
<asp:TreeNodeBinding ImageUrl="~/Images/openbook.gif" TextField="Title" DataMember="book"></asp:TreeNodeBinding><br />
<asp:TreeNodeBinding ImageUrl="~/Images/notepad.gif" TextField="name" DataMember="chapter"></asp:TreeNodeBinding><br />
</DataBindings><br />
</asp:TreeView> <br />
</div><br />
<div><br />
<asp:XmlDataSource ID="bookSource" Runat="server" XPath="Data/book"><br />
<br />
<Data><br />
<genre name="Fiction"><br />
<book ISBN="1" Title="title 1" Price="19.99" Discount="1.999"><br />
<chapter num="1" name="Introduction"><br />
Abstract...<br />
</chapter><br />
<chapter num="2" name="Body"><br />
Abstract...<br />
</chapter><br />
<chapter num="3" name="Conclusion"><br />
Abstract...<br />
</chapter><br />
</book><br />
</genre><br />
<br />
</Data><br />
</asp:XmlDataSource><br />
</div><br />
</form><br />
</html><br />
</source><br />
<br />
<br />
<br />
<br />
==Using the XmlDataSource control to consume an RSS feed==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><br />
<%@ Page Language="C#" %><br />
<script runat="server"><br />
</script><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:XmlDataSource ID="XmlDataSource1" <br />
Runat="server"<br />
DataFile="http://msdn.microsoft.ru/rss.xml"<br />
XPath="rss/channel/item"><br />
</asp:XmlDataSource><br />
</div><br />
</form><br />
</body><br />
</html><br />
</source><br />
<br />
<br />
<br />
<br />
==XmlDataSource and XML document==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<br />
<%@ Page Language="C#" AutoEventWireup="false" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"><br />
<html xmlns="http://www.w3.org/1999/xhtml" ><br />
<head runat="server"><br />
<title>Untitled Page</title><br />
</head><br />
<body><br />
<form id="form1" runat="server"><br />
<div><br />
<asp:XmlDataSource ID="sourceDVD" <br />
runat="server" <br />
DataFile="~/Data.xml"><br />
</asp:XmlDataSource><br />
<asp:GridView ID="GridView1" <br />
runat="server" <br />
AutoGenerateColumns="False" <br />
DataSourceID="sourceDVD"><br />
<Columns><br />
<asp:BoundField DataField="ID" HeaderText="ID" SortExpression="ID" /><br />
<asp:BoundField DataField="Category" HeaderText="Category" SortExpression="Category" /><br />
</Columns><br />
</asp:GridView><br />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<DvdList><br />
<DVD ID="1" Category="Category 1"><br />
<Title>title 1</Title><br />
<Director>directory 2</Director><br />
<Price>1</Price><br />
<Starring><br />
<Star>star 1</Star><br />
<Star>star 2</Star><br />
</Starring><br />
</DVD><br />
<DVD ID="2" Category="Category 2"><br />
<Title>title 2</Title><br />
<Director>directory 2</Director><br />
<Price>2</Price><br />
<Starring><br />
<Star>star 3</Star><br />
<Star>star 4</Star><br />
</Starring><br />
</DVD><br />
</DvdList><br />
</source></div>
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