XML Validation with DTD
<%@ Page Language="C#"%>
<%@ Import Namespace="System.Xml" %>
<%@ Import Namespace="System.Xml.Schema" %>
<script runat="server">
private StringBuilder stringBuilder = new StringBuilder();
void Page_Load(object sender, EventArgs e)
{
string xmlPath = MapPath("AuthorsWithDTD.xml");
XmlReader reader = null;
XmlReaderSettings settings = new XmlReaderSettings();
settings.ValidationEventHandler += new ValidationEventHandler(this.ValidationEventHandler);
settings.ValidationType = ValidationType.DTD;
settings.ProhibitDtd = false;
reader = XmlReader.Create(xmlPath, settings);
while (reader.Read())
{
}
if (stringBuilder.ToString() == String.Empty)
Response.Write("DTD Validation completed successfully.");
else
Response.Write("DTD Validation Failed. <br>" + stringBuilder.ToString());
}
void ValidationEventHandler(object sender, ValidationEventArgs args)
{
stringBuilder.Append("Validation error: " + args.Message + "<br>");
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>DTD Validation</title>
</head>
<body>
<form id="form1" runat="server">
<div>
</div>
</form>
</body>
</html>
<%-- AuthorsWithDTD.xml
<?xml version="1.0"?>
<!DOCTYPE authors SYSTEM "Authors.dtd">
<authors>
<author>
<au_id>000-00-0001</au_id>
<au_lname>Nancy</au_lname>
<au_fname>Lee</au_fname>
<phone>999 999-9999</phone>
<address>9999 York St.</address>
<city>Regina</city>
<state>LA</state>
<zip>99999</zip>
<contract>true</contract>
</author>
<author>
<au_id>000-00-0002</au_id>
<au_lname>First</au_lname>
<au_fname>Last</au_fname>
<phone>415 986-7020</phone>
<address>No Name St.</address>
<city>Vancouver</city>
<state>BC</state>
<zip>88888</zip>
<contract>true</contract>
</author>
</authors>
--%>
<%-- Authors.dtd
<?xml version="1.0"?>
<authors>
<author>
<authorID>000-00-0001</authorID>
<lastName>Nancy</lastName>
<firstName>Lee</firstName>
<phone>999 999-9999</phone>
<address>9999 York St.</address>
<city>Regina</city>
<state>LA</state>
<zip>99999</zip>
<contract>true</contract>
</author>
<author>
<authorID>000-00-0002</authorID>
<lastName>First</lastName>
<firstName>Last</firstName>
<phone>415 986-7020</phone>
<address>No Name St.</address>
<city>Vancouver</city>
<state>BC</state>
<zip>88888</zip>
<contract>true</contract>
</author>
</authors>
--%>
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