Mega Code Archive
XML document validation against XML schema
<![CDATA[
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Schema" %>
<script runat="server">
private XmlTextReader reader;
private XmlValidatingReader validator;
void Page_Load(Object Sender, EventArgs e) {
try {
reader = new XmlTextReader(Server.MapPath("Data.xml"));
validator = new XmlValidatingReader(reader);
validator.ValidationType = ValidationType.XDR;
validator.ValidationEventHandler += new ValidationEventHandler(this.ShowError);
while (validator.Read()) {
}
} catch (Exception ex) {
Response.Write("Error accessing XML file");
} finally {
reader.Close();
}
}
void ShowError(Object Sender, ValidationEventArgs e) {
Response.Write("<font color=\"red\">" + e.Message + "<br>");
if (reader.LineNumber > 0) {
Response.Write("Line: " + reader.LineNumber + " Position: " + reader.LinePosition + "</font>");
}
}
</script>
<html><body>
</body></html>
File: Data.xml
<bookstore xmlns="x-schema:Data.xdr">
<book genre="novel" style="hardcover">
<title>title 1</title>
<price>1.5</price>
<author>
<first-name>M</first-name>
<last-name>A</last-name>
</author>
</book>
</bookstore>
File: Data.xdr
<?xml version="1.0"?>
<Schema xmlns="urn:schemas-microsoft-com:xml-data"
xmlns:dt="urn:schemas-microsoft-com:datatypes">
<ElementType name="first-name" content="textOnly"/>
<ElementType name="last-name" content="textOnly"/>
<ElementType name="name" content="textOnly"/>
<ElementType name="price" content="textOnly"
dt:type="fixed.14.4"/>
<ElementType name="author" content="eltOnly" order="one">
<group order="seq">
<element type="name"/>
</group>
<group order="seq">
<element type="first-name"/>
<element type="last-name"/>
</group>
</ElementType>
<ElementType name="title" content="textOnly"/>
<AttributeType name="genre" dt:type="string"/>
<AttributeType name="style" dt:type="enumeration"
dt:values="paperback hardcover"/>
<ElementType name="book" content="eltOnly">
<attribute type="genre" required="yes"/>
<attribute type="style" required="yes"/>
<element type="title"/>
<element type="price"/>
<element type="author"/>
</ElementType>
<ElementType name="bookstore" content="eltOnly">
<element type="book"/>
</ElementType>
</Schema>
]]>