using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Schema; using System.Xml.Linq; public class MainClass { public static void Main() { XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XAttribute("language", "English"), new XElement("FirstName", "A"), new XElement("LastName", "B")), new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "C"), new XElement("LastName", "D")))); Console.WriteLine(xDocument); XmlSchemaSet schemaSet = new XmlSchemaSet(); schemaSet.Add(null, "bookparticipants.xsd"); try { xDocument.Validate(schemaSet, (o, vea) => { Console.WriteLine(o.GetType().Name); Console.WriteLine(vea.Message); throw (new Exception(vea.Message)); }); } catch (Exception ex) { Console.WriteLine("Exception occurred: {0}", ex.Message); } } }
Validating an XML Document with Default Validation Event Handling
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Schema; using System.Xml.Linq; public class MainClass { public static void Main() { XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "A"), new XElement("MiddleInitial", "C"), new XElement("LastName", "B")), new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "C"), new XElement("LastName", "D")))); Console.WriteLine(xDocument); XmlSchemaSet schemaSet = new XmlSchemaSet(); schemaSet.Add(null, "bookparticipants.xsd"); try { xDocument.Validate(schemaSet, null); } catch (XmlSchemaValidationException ex) { Console.WriteLine("Exception occurred: {0}", ex.Message); } } }
Creating an XSD Schema by Inferring Itfrom an XML Document
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Schema; using System.Xml.Linq; public class MainClass { public static void Main() { XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "A"), new XElement("LastName", "B")), new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "C"), new XElement("LastName", "D")))); Console.WriteLine(xDocument); xDocument.Save("bookparticipants.xml"); XmlSchemaInference infer = new XmlSchemaInference(); XmlSchemaSet schemaSet = infer.InferSchema(new XmlTextReader("bookparticipants.xml")); XmlWriter w = XmlWriter.Create("bookparticipants.xsd"); foreach (XmlSchema schema in schemaSet.Schemas()) { schema.Write(w); } w.Close(); XDocument newDocument = XDocument.Load("bookparticipants.xsd"); Console.WriteLine(newDocument); } }
Successfully Validating an XML Element
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Schema; using System.Xml.Linq; using System.IO; public class MainClass { public static void Main() { string schema = @"<?xml version='1.0' encoding='utf-8'?> <xs:schema attributeFormDefault='unqualified' elementFormDefault='qualified' xmlns:xs='http://www.w3.org/2001/XMLSchema'> <xs:element name='Books'> <xs:complexType> <xs:sequence> <xs:element maxOccurs='unbounded' name='Book'> <xs:complexType> <xs:sequence> <xs:element name='FirstName' type='xs:string' /> <xs:element minOccurs='0' name='MiddleInitial' type='xs:string' /> <xs:element name='LastName' type='xs:string' /> </xs:sequence> <xs:attribute name='type' type='xs:string' use='required' /> </xs:complexType> </xs:element> </xs:sequence> </xs:complexType> </xs:element> </xs:schema>"; XmlSchemaSet schemaSet = new XmlSchemaSet(); schemaSet.Add("", XmlReader.Create(new StringReader(schema))); } }
Using ReplaceAll to Change an Element's Subtree
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Linq; public class MainClass { public static void Main() { XElement firstParticipant; XDocument xDocument = new XDocument( new XElement("Books", firstParticipant = new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "J"), new XElement("LastName", "R")))); Console.WriteLine(xDocument); firstParticipant.ReplaceAll( new XElement("FirstName", "C"), new XElement("LastName", "D")); Console.WriteLine(xDocument); } }
Removing a Node's Content with RemoveAll
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Linq; public class MainClass { public static void Main() { XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "J"), new XElement("LastName", "R")), new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "E"), new XElement("LastName", "B")))); Console.WriteLine(xDocument); xDocument.Element("Books").RemoveAll(); Console.WriteLine(xDocument); } }
Deleting a Sequence of Nodes with Remove
using System; using System.Linq; using System.Collections; using System.Collections.Generic; using System.Xml; using System.Xml.Linq; public class MainClass { public static void Main() { XDocument xDocument = new XDocument( new XElement("Books", new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "J"), new XElement("LastName", "R")), new XElement("Book", new XAttribute("type", "Author"), new XElement("FirstName", "E"), new XElement("LastName", "B")))); xDocument.Descendants().Where(e => e.Name == "FirstName").Remove(); Console.WriteLine(xDocument); } }