Mega Code Archive

 

Categories / C# Tutorial / XML

 

Move to a child with XPathNavigator

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;         }     } }