Mega Code Archive
Validating XML with an XmlReader against an XML Schema (C#)
<![CDATA[
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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>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.IO;
using System.Xml;
using System.Xml.Schema;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
int bookcount = 0;
XmlReaderSettings settings = new XmlReaderSettings();
string booksSchemaFile = Path.Combine(Request.PhysicalApplicationPath, "Data.xsd");
settings.Schemas.Add(null, XmlReader.Create(booksSchemaFile));
settings.ValidationType = ValidationType.Schema;
settings.ValidationFlags =
XmlSchemaValidationFlags.ReportValidationWarnings;
settings.ValidationEventHandler += new ValidationEventHandler(settings_ValidationEventHandler);
settings.IgnoreWhitespace = true;
settings.IgnoreComments = true;
string booksFile = Path.Combine(Request.PhysicalApplicationPath, "Data.xml");
using (XmlReader reader = XmlReader.Create(booksFile, settings))
{
while (reader.Read())
{
if (reader.NodeType == XmlNodeType.Element && "book" == reader.LocalName)
{
bookcount++;
}
}
}
Response.Write(String.Format("Found {0} books!", bookcount));
}
void settings_ValidationEventHandler(object sender, System.Xml.Schema.ValidationEventArgs e)
{
Response.Write(e.Message);
}
}
File: Data.xml
<?xml version='1.0'?>
<bookstore xmlns="http://example.books.com"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<book genre="A"
publicationdate="1981"
ISBN="1-11111-11-0">
<title>title 1</title>
<author>
<first-name>A</first-name>
<last-name>B</last-name>
</author>
<price>8</price>
</book>
<book genre="B"
publicationdate="1999"
ISBN="0-222-22222-2">
<title>title 2</title>
<author>
<first-name>C</first-name>
<last-name>D</last-name>
</author>
<price>11.99</price>
</book>
</bookstore>
File: Data.xsd
<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://example.books.com" xmlns="http://example.books.com" targetNamespace="http://example.books.com" elementFormDefault="qualified">
<xsd:element name="bookstore" type="bookstoreType" />
<xsd:complexType name="bookstoreType">
<xsd:sequence maxOccurs="unbounded">
<xsd:element name="book" type="bookType" />
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="bookType">
<xsd:sequence>
<xsd:element name="title" type="xsd:string" />
<xsd:element name="author" type="authorName" />
<xsd:element name="price" type="xsd:decimal" />
</xsd:sequence>
<xsd:attribute name="genre" type="xsd:string" />
<xsd:attribute name="publicationdate" type="xsd:string" />
<xsd:attribute name="ISBN" type="xsd:string" />
</xsd:complexType>
<xsd:complexType name="authorName">
<xsd:sequence>
<xsd:element name="first-name" type="xsd:string" />
<xsd:element name="last-name" type="xsd:string" />
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
]]>