using System;
using System.Xml;
using System.Xml.Schema;
using System.Xml.XPath;
class ValidatingReaderExample
{
static void Main(string[] args)
{
try
{
XmlReaderSettings settings = new XmlReaderSettings();
settings.Schemas.Add("http://www.yourname.com/books", "contosoBooks.xsd");
settings.ValidationType = ValidationType.Schema;
XmlReader reader = XmlReader.Create("contosoBooks.xml", settings);
XmlDocument document = new XmlDocument();
document.Load(reader);
XPathNavigator navigator = document.CreateNavigator();
ValidationEventHandler validation = new ValidationEventHandler(SchemaValidationHandler);
navigator.MoveToChild("bookstore", "http://www.yourname.com/books");
navigator.AppendChild("<title>Book Title</title>");
document.Validate(validation);
navigator.MoveToParent();
navigator.MoveToChild("price", "http://www.yourname.com/books");
navigator.SetTypedValue(DateTime.Now);
}
catch (Exception e)
{
Console.WriteLine("ValidatingReaderExample.Exception: {0}", e.Message);
}
}
static void SchemaValidationHandler(object sender, ValidationEventArgs e)
{
switch (e.Severity)
{
case XmlSeverityType.Error:
Console.WriteLine("Schema Validation Error: {0}", e.Message);
break;
case XmlSeverityType.Warning:
Console.WriteLine("Schema Validation Warning: {0}", e.Message);
break;
}
}
}
|