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ASP.NET Tutorial/XML/XmlReader - История изменений
2026-04-29T17:45:41Z
История изменений этой страницы в вики
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http://nfex.ru/index.php?title=ASP.NET_Tutorial/XML/XmlReader&diff=2967&oldid=prev
в 15:30, 26 мая 2010
2010-05-26T15:30:57Z
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<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_Tutorial/XML/XmlReader&diff=2968&oldid=prev
Admin: 1 версия
2010-05-26T11:57:37Z
<p>1 версия</p>
<p><b>Новая страница</b></p><div>== Optimizing XmlReader with a NameTable (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<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 />
using System.IO;<br />
using System.Xml;<br />
using System.Xml.Schema;<br />
public partial class _Default : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
int bookcount = 0;<br />
XmlReaderSettings settings = new XmlReaderSettings();<br />
NameTable nt = new NameTable();<br />
object book = nt.Add("book");<br />
settings.NameTable = nt;<br />
string booksSchemaFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd");<br />
settings.Schemas.Add(null, XmlReader.Create(booksSchemaFile));<br />
settings.ValidationType = ValidationType.Schema;<br />
settings.ValidationFlags =<br />
XmlSchemaValidationFlags.ReportValidationWarnings;<br />
settings.ValidationEventHandler +=<br />
new ValidationEventHandler(settings_ValidationEventHandler);<br />
settings.IgnoreWhitespace = true;<br />
settings.IgnoreComments = true;<br />
string booksFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xml");<br />
using (XmlReader reader = XmlReader.Create(booksFile, settings))<br />
{<br />
while (reader.Read())<br />
{<br />
if (reader.NodeType == XmlNodeType.Element && book.Equals(reader.LocalName)) <br />
{<br />
bookcount++;<br />
}<br />
}<br />
}<br />
Response.Write(String.Format("Found {0} books!", bookcount));<br />
}<br />
void settings_ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)<br />
{<br />
Response.Write(e.Message);<br />
}<br />
}<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source><br />
<br />
<br />
<br />
== Optimizing XmlReader with a NameTable (VB)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Default.aspx.vb<br />
Imports System.IO<br />
Imports System.Xml<br />
Imports System.Xml.Schema<br />
Partial Class _Default<br />
Inherits System.Web.UI.Page<br />
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _<br />
Handles Me.Load<br />
Dim bookcount As Integer = 0<br />
Dim settings As New XmlReaderSettings()<br />
Dim nt As New NameTable()<br />
Dim book As Object = nt.Add("book")<br />
settings.NameTable = nt<br />
Dim booksSchemaFile As String = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd")<br />
settings.Schemas.Add(Nothing, XmlReader.Create(booksSchemaFile))<br />
settings.ValidationType = ValidationType.Schema<br />
settings.ValidationFlags = XmlSchemaValidationFlags.ReportValidationWarnings<br />
AddHandler settings.ValidationEventHandler, AddressOf settings_ValidationEventHandler<br />
settings.IgnoreWhitespace = True<br />
settings.IgnoreComments = True<br />
Dim booksFile As String = _<br />
Path.rubine(Request.PhysicalApplicationPath, "Data.xml")<br />
Using reader As XmlReader = XmlReader.Create(booksFile, settings)<br />
While (reader.Read())<br />
If (reader.NodeType = XmlNodeType.Element _<br />
And book.Equals(reader.LocalName)) Then<br />
bookcount += 1<br />
End If<br />
End While<br />
End Using<br />
Response.Write(String.Format("Found {0} books!", bookcount))<br />
End Sub<br />
Sub settings_ValidationEventHandler(ByVal sender As Object, _<br />
ByVal e As System.Xml.Schema.ValidationEventArgs)<br />
Response.Write(e.Message)<br />
End Sub<br />
<br />
End Class<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source><br />
<br />
<br />
<br />
== Processing XML with an XmlReader (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<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 />
using System.IO;<br />
using System.Xml;<br />
public partial class _Default : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
int bookcount = 0;<br />
XmlReaderSettings settings = new XmlReaderSettings();<br />
settings.IgnoreWhitespace = true;<br />
settings.IgnoreComments = true;<br />
string booksFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xml");<br />
using (XmlReader reader = XmlReader.Create(booksFile, settings))<br />
{<br />
while (reader.Read())<br />
{<br />
if (reader.NodeType == XmlNodeType.Element &&<br />
"book" == reader.LocalName)<br />
{<br />
bookcount++;<br />
}<br />
}<br />
}<br />
Response.Write(String.Format("Found {0} books!", bookcount));<br />
}<br />
}<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore></source><br />
<br />
<br />
<br />
== Processing XML with an XmlReader (VB)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Default.aspx.vb<br />
Imports System.IO<br />
Imports System.Xml<br />
Partial Class _Default<br />
Inherits System.Web.UI.Page<br />
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _<br />
Handles Me.Load<br />
Dim bookcount As Integer = 0<br />
Dim settings As New XmlReaderSettings()<br />
settings.IgnoreWhitespace = True<br />
settings.IgnoreComments = True<br />
Dim booksFile As String = _<br />
Path.rubine(Request.PhysicalApplicationPath, "Data.xml")<br />
Using reader As XmlReader = XmlReader.Create(booksFile, settings)<br />
While (reader.Read())<br />
If (reader.NodeType = XmlNodeType.Element _<br />
And "book" = reader.LocalName) Then<br />
bookcount += 1<br />
End If<br />
End While<br />
End Using<br />
Response.Write(String.Format("Found {0} books!", bookcount))<br />
End Sub<br />
End Class<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore></source><br />
<br />
<br />
<br />
== Using XmlReader.ReadElementContentAs (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<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 />
using System.IO;<br />
using System.Xml;<br />
using System.Xml.Schema;<br />
public partial class _Default : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
int bookcount = 0;<br />
decimal booktotal = 0; <br />
XmlReaderSettings settings = new XmlReaderSettings();<br />
NameTable nt = new NameTable();<br />
object book = nt.Add("book");<br />
object price = nt.Add("price"); <br />
settings.NameTable = nt;<br />
string booksSchemaFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd");<br />
settings.Schemas.Add(null, XmlReader.Create(booksSchemaFile));<br />
settings.ValidationType = ValidationType.Schema;<br />
settings.ValidationFlags =<br />
XmlSchemaValidationFlags.ReportValidationWarnings;<br />
settings.ValidationEventHandler += new ValidationEventHandler(settings_ValidationEventHandler);<br />
settings.IgnoreWhitespace = true;<br />
settings.IgnoreComments = true;<br />
string booksFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xml");<br />
using (XmlReader reader = XmlReader.Create(booksFile, settings))<br />
{<br />
while (reader.Read())<br />
{<br />
if (reader.NodeType == XmlNodeType.Element && book.Equals(reader.LocalName)) <br />
{<br />
bookcount++;<br />
}<br />
if (reader.NodeType == XmlNodeType.Element && price.Equals(reader.LocalName))<br />
{<br />
booktotal +=<br />
(decimal)reader.ReadElementContentAsObject();<br />
}<br />
}<br />
}<br />
Response.Write(String.Format("Found {0} books that total {1:C}!",<br />
bookcount, booktotal));<br />
}<br />
void settings_ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)<br />
{<br />
Response.Write(e.Message);<br />
}<br />
}<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source><br />
<br />
<br />
<br />
== Using XmlReader.ReadElementContentAs (VB)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Default.aspx.vb<br />
Imports System.IO<br />
Imports System.Xml<br />
Imports System.Xml.Schema<br />
Partial Class _Default<br />
Inherits System.Web.UI.Page<br />
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _<br />
Handles Me.Load<br />
Dim bookcount As Integer = 0<br />
Dim booktotal As Decimal = 0<br />
Dim settings As New XmlReaderSettings()<br />
Dim nt As New NameTable()<br />
Dim book As Object = nt.Add("book")<br />
Dim price As Object = nt.Add("price")<br />
settings.NameTable = nt<br />
Dim booksSchemaFile As String = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd")<br />
settings.Schemas.Add(Nothing, XmlReader.Create(booksSchemaFile))<br />
settings.ValidationType = ValidationType.Schema<br />
settings.ValidationFlags = XmlSchemaValidationFlags.ReportValidationWarnings<br />
AddHandler settings.ValidationEventHandler, _<br />
AddressOf settings_ValidationEventHandler<br />
settings.IgnoreWhitespace = True<br />
settings.IgnoreComments = True<br />
Dim booksFile As String = _<br />
Path.rubine(Request.PhysicalApplicationPath, "Data.xml")<br />
Using reader As XmlReader = XmlReader.Create(booksFile, settings)<br />
While (reader.Read())<br />
If (reader.NodeType = XmlNodeType.Element _<br />
And book.Equals(reader.LocalName)) Then<br />
"A subtle, but significant change!<br />
bookcount += 1<br />
End If<br />
If (reader.NodeType = XmlNodeType.Element And price.Equals(reader.LocalName)) Then<br />
booktotal += CType(reader.ReadElementContentAsObject(), Decimal)<br />
End If<br />
End While<br />
End Using<br />
Response.Write(String.Format("Found {0} books that total {1:C}!", _<br />
bookcount, booktotal))<br />
End Sub<br />
Sub settings_ValidationEventHandler(ByVal sender As Object, _<br />
ByVal e As System.Xml.Schema.ValidationEventArgs)<br />
Response.Write(e.Message)<br />
End Sub<br />
End Class<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source><br />
<br />
<br />
<br />
== Validating XML with an XmlReader against an XML Schema (C#)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<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 />
using System.IO;<br />
using System.Xml;<br />
using System.Xml.Schema;<br />
public partial class _Default : System.Web.UI.Page<br />
{<br />
protected void Page_Load(object sender, EventArgs e)<br />
{<br />
int bookcount = 0;<br />
XmlReaderSettings settings = new XmlReaderSettings();<br />
string booksSchemaFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd");<br />
settings.Schemas.Add(null, XmlReader.Create(booksSchemaFile));<br />
settings.ValidationType = ValidationType.Schema;<br />
settings.ValidationFlags =<br />
XmlSchemaValidationFlags.ReportValidationWarnings;<br />
settings.ValidationEventHandler += new ValidationEventHandler(settings_ValidationEventHandler);<br />
settings.IgnoreWhitespace = true;<br />
settings.IgnoreComments = true;<br />
string booksFile = Path.rubine(Request.PhysicalApplicationPath, "Data.xml");<br />
using (XmlReader reader = XmlReader.Create(booksFile, settings))<br />
{<br />
while (reader.Read())<br />
{<br />
if (reader.NodeType == XmlNodeType.Element && "book" == reader.LocalName)<br />
{<br />
bookcount++;<br />
}<br />
}<br />
}<br />
Response.Write(String.Format("Found {0} books!", bookcount));<br />
}<br />
void settings_ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)<br />
{<br />
Response.Write(e.Message);<br />
}<br />
}<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source><br />
<br />
<br />
<br />
== Validating XML with an XmlReader against an XML Schema (VB)==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="csharp"><br />
<%@ Page Language="VB" AutoEventWireup="false" CodeFile="Default.aspx.vb" Inherits="_Default" %><br />
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.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 />
<br />
</div><br />
</form><br />
</body><br />
</html><br />
File: Default.aspx.vb<br />
Imports System.IO<br />
Imports System.Xml<br />
Imports System.Xml.Schema<br />
Partial Class _Default<br />
Inherits System.Web.UI.Page<br />
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) _<br />
Handles Me.Load<br />
Dim bookcount As Integer = 0<br />
Dim settings As New XmlReaderSettings()<br />
Dim booksSchemaFile As String = Path.rubine(Request.PhysicalApplicationPath, "Data.xsd")<br />
settings.Schemas.Add(Nothing, XmlReader.Create(booksSchemaFile))<br />
settings.ValidationType = ValidationType.Schema<br />
settings.ValidationFlags = XmlSchemaValidationFlags.ReportValidationWarnings<br />
AddHandler settings.ValidationEventHandler, _<br />
AddressOf settings_ValidationEventHandler<br />
settings.IgnoreWhitespace = True<br />
settings.IgnoreComments = True<br />
Dim booksFile As String = Path.rubine(Request.PhysicalApplicationPath, "Data.xml")<br />
Using reader As XmlReader = XmlReader.Create(booksFile, settings)<br />
While (reader.Read())<br />
If (reader.NodeType = XmlNodeType.Element And "book" = reader.LocalName) Then<br />
bookcount += 1<br />
End If<br />
End While<br />
End Using<br />
Response.Write(String.Format("Found {0} books!", bookcount))<br />
End Sub<br />
Sub settings_ValidationEventHandler(ByVal sender As Object, _<br />
ByVal e As System.Xml.Schema.ValidationEventArgs)<br />
Response.Write(e.Message)<br />
End Sub<br />
<br />
End Class<br />
<br />
File: Data.xml<br />
<?xml version="1.0"?><br />
<bookstore xmlns="http://example.books.ru"<br />
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><br />
<book genre="A" <br />
publicationdate="1981" <br />
ISBN="1-11111-11-0"><br />
<title>title 1</title><br />
<author><br />
<first-name>A</first-name><br />
<last-name>B</last-name><br />
</author><br />
<price>8</price><br />
</book><br />
<book genre="B" <br />
publicationdate="1999" <br />
ISBN="0-222-22222-2"><br />
<title>title 2</title><br />
<author><br />
<first-name>C</first-name><br />
<last-name>D</last-name><br />
</author><br />
<price>11.99</price><br />
</book><br />
</bookstore><br />
File: Data.xsd<br />
<?xml version="1.0" encoding="utf-8"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.ru" xmlns="http://example.books.ru" targetNamespace="http://example.books.ru" elementFormDefault="qualified"><br />
<xsd:element name="bookstore" type="bookstoreType" /><br />
<xsd:complexType name="bookstoreType"><br />
<xsd:sequence maxOccurs="unbounded"><br />
<xsd:element name="book" type="bookType" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
<xsd:complexType name="bookType"><br />
<xsd:sequence><br />
<xsd:element name="title" type="xsd:string" /><br />
<xsd:element name="author" type="authorName" /><br />
<xsd:element name="price" type="xsd:decimal" /><br />
</xsd:sequence><br />
<xsd:attribute name="genre" type="xsd:string" /><br />
<xsd:attribute name="publicationdate" type="xsd:string" /><br />
<xsd:attribute name="ISBN" type="xsd:string" /><br />
</xsd:complexType><br />
<xsd:complexType name="authorName"><br />
<xsd:sequence><br />
<xsd:element name="first-name" type="xsd:string" /><br />
<xsd:element name="last-name" type="xsd:string" /><br />
</xsd:sequence><br />
</xsd:complexType><br />
</xsd:schema></source></div>
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