public static void Main()
{
//Create the validating reader.
XmlTextReader txtreader = new XmlTextReader("attrs.xml");
XmlValidatingReader reader = new XmlValidatingReader(txtreader);
//Read the ISBN attribute.
reader.MoveToContent();
string isbn = reader.GetAttribute("ISBN");
Console.WriteLine("The ISBN value: " + isbn);
//Close the reader.
reader.Close();
}
public static void Main()
{
//Create the validating reader.
XmlTextReader txtreader = new XmlTextReader("attrs.xml");
XmlValidatingReader reader = new XmlValidatingReader(txtreader);
//Read the genre attribute.
reader.MoveToContent();
reader.MoveToFirstAttribute();
string genre = reader.Value;
Console.WriteLine("The genre value: " + genre);
//Close the reader.
reader.Close();
}
public static void Main()
{
XmlValidatingReader reader = null;
XmlTextReader txtreader = null;
try
{
//Create and load the XmlTextReader with the XML file.
txtreader = new XmlTextReader("book1.xml");
txtreader.WhitespaceHandling = WhitespaceHandling.None;
//Create the XmlValidatingReader over the XmlTextReader.
//Set the reader to not expand general entities.
reader = new XmlValidatingReader(txtreader);
reader.ValidationType = ValidationType.None;
reader.EntityHandling = EntityHandling.ExpandCharEntities;
reader.MoveToContent(); //Move to the root element.
reader.Read(); //Move to title start tag.
reader.Skip(); //Skip the title element.
//Read the misc start tag. The reader is now positioned on
//the entity reference node.
reader.ReadStartElement();
//Because EntityHandling is set to ExpandCharEntities, you must call
//ResolveEntity to expand the entity. The entity replacement text is
//then parsed and returned as a child node.
Console.WriteLine("Expand the entity...");
reader.ResolveEntity();
Console.WriteLine("The entity replacement text is returned as a text node.");
reader.Read();
Console.WriteLine("NodeType: {0} Value: {1}", reader.NodeType, reader.Value);
Console.WriteLine("An EndEntity node closes the entity reference scope.");
reader.Read();
Console.WriteLine("NodeType: {0} Name: {1}", reader.NodeType, reader.Name);
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public static void Main()
{
XmlValidatingReader reader = null;
try
{
//Create the XML fragment to be parsed.
string xmlFrag = "<book genre='novel' misc='sale-item &h; 1987'></book>";
//Create the XmlParserContext.
XmlParserContext context;
string subset = "<!ENTITY h 'hardcover'>";
context = new XmlParserContext(null, null, "book", null, null, subset, "", "", XmlSpace.None);
//Create the reader and set it to not expand general entities.
reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
reader.ValidationType = ValidationType.None;
reader.EntityHandling = EntityHandling.ExpandCharEntities;
//Read the misc attribute. Because EntityHandling is set to
//ExpandCharEntities, the attribute is parsed into multiple text
//and entity reference nodes.
reader.MoveToContent();
reader.MoveToAttribute("misc");
while (reader.ReadAttributeValue())
{
if (reader.NodeType == XmlNodeType.EntityReference)
{
//To expand the entity, call ResolveEntity.
Console.WriteLine("{0} {1}", reader.NodeType, reader.Name);
}
else
{
Console.WriteLine("{0} {1}", reader.NodeType, reader.Value);
}
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
public static void Main(){
//Create the reader.
XmlTextReader txtreader = new XmlTextReader("book4.xml");
XmlValidatingReader reader = new XmlValidatingReader(txtreader);
reader.MoveToContent();
//Display each of the attribute nodes, including default attributes.
while (reader.MoveToNextAttribute()){
if (reader.IsDefault)
Console.Write("(default attribute) ");
Console.WriteLine("{0} = {1}", reader.Name, reader.Value);
}
//Close the reader.
reader.Close();
}
public static void Main()
{
XmlValidatingReader reader = null;
try
{
//Create the string to parse.
string xmlFrag = "<book genre='novel' ISBN='1-861003-78' pubdate='1987'></book> ";
//Create the XmlNamespaceManager.
NameTable nt = new NameTable();
XmlNamespaceManager nsmgr = new XmlNamespaceManager(nt);
//Create the XmlParserContext.
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
//Create the XmlValidatingReader .
reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
//Read the attributes on the root element.
reader.MoveToContent();
if (reader.HasAttributes)
{
for (int i = 0; i < reader.AttributeCount; i++)
{
reader.MoveToAttribute(i);
Console.WriteLine("{0} = {1}", reader.Name, reader.Value);
}
//Move the reader back to the node that owns the attribute.
reader.MoveToElement();
}
}
finally
{
if (reader != null)
{
reader.Close();
}
}
}
static void Main(string[] args)
{
// Der Dateiname der XML- und der Schema-Datei
string xmlFileName = Path.Combine(Application.StartupPath, "Persons.xml");
string xmlSchemaFileName = Path.Combine(Application.StartupPath,
"Persons.xsd");
// XmlValidatingReader mit einem neuen XmlReader als Basis erzeugen
XmlValidatingReader xmlValidator = new XmlValidatingReader(
new XmlTextReader(xmlFileName));
// Validier-Typ auf "Schema" festlegen
xmlValidator.ValidationType = ValidationType.Schema;
// Schema ohne Ziel-Namensraum hinzufügen
try
{
xmlValidator.Schemas.Add(null, xmlSchemaFileName);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
// Merker für die Gültigkeit des Dokuments initialisieren
bool isValid = true;
try
{
// Daten einlesen
while (xmlValidator.Read())
{
// Überprüfen, ob der aktuelle Knoten ein Element ist
if (xmlValidator.NodeType == XmlNodeType.Element)
{
// Überprüfen, um welches Element es sich handelt, und
// die eingelesenen Daten entsprechend ausgeben
if (xmlValidator.Name == "person")
{
Console.WriteLine();
Console.WriteLine("Person {0}",
xmlValidator.GetAttribute("id"));
}
else if (xmlValidator.Name == "firstname")
{
if (xmlValidator.MoveToContent() != XmlNodeType.None)
{
Console.WriteLine("Vorname: {0}",
xmlValidator.ReadString());
}
}
else if (xmlValidator.Name == "lastname")
{
if (xmlValidator.MoveToContent() != XmlNodeType.None)
{
Console.WriteLine("Nachname: {0}",
xmlValidator.ReadString());
}
}
else if (xmlValidator.Name == "type")
{
if (xmlValidator.MoveToContent() != XmlNodeType.None)
{
Console.WriteLine("Typ: {0}",
xmlValidator.ReadString());
}
}
}
}
}
catch (Exception ex)
{
// Fehler beim Lesen: Fehler ausgeben und Merker für die Gültigkeit des
// Dokuments zurücksetzen
Console.WriteLine(ex.Message);
isValid = false;
}
// XmlValidatingReader schließen
xmlValidator.Close();
// Ausgeben, ob die Datei gültig ist
Console.WriteLine();
if (isValid)
{
Console.WriteLine("Die XML-Datei ist gültig");
}
else
{
Console.WriteLine("Die XML-Datei ist nicht gültig");
}
Console.WriteLine("Beenden mit Return");
Console.ReadLine();
}
