//http://validationframework.codeplex.com/ //License: Microsoft Permissive License (Ms-PL) v1.1 using System; using System.Globalization; using System.IO; using System.Text; using System.Xml; namespace ValidationFramework.Extensions { /// <summary> /// String helper methods /// </summary> public static class StringExtensions { internal static XmlReader ToXmlReader(this string value) { var settings = new XmlReaderSettings { ConformanceLevel = ConformanceLevel.Fragment, IgnoreWhitespace = true, IgnoreComments = true }; var xmlReader = XmlReader.Create(new StringReader(value), settings); xmlReader.Read(); return xmlReader; } } }
Author: coder
If a Xml node Has Attributes
using System;
using System.Xml;
using System.IO;
using System.Text;
class MainClass {
private static void Main() {
FileStream fs = new FileStream(“products.xml”, FileMode.Create);
XmlWriter w = XmlWriter.Create(fs);
w.WriteStartDocument();
w.WriteStartElement(“products”);
w.WriteStartElement(“product”);
w.WriteAttributeString(“id”, “1001”);
w.WriteElementString(“productName”, “Gourmet Coffee”);
w.WriteElementString(“productPrice”, “0.99”);
w.WriteEndElement();
w.WriteStartElement(“product”);
w.WriteAttributeString(“id”, “1002”);
w.WriteElementString(“productName”, “Blue China Tea Pot”);
w.WriteElementString(“productPrice”, “102.99”);
w.WriteEndElement();
w.WriteEndElement();
w.WriteEndDocument();
w.Flush();
fs.Close();
fs = new FileStream(“products.xml”, FileMode.Open);
XmlReader r = XmlReader.Create(fs);
while (r.Read()) {
if (r.NodeType == XmlNodeType.Element) {
Console.WriteLine(“<" + r.Name + ">“);
if (r.HasAttributes) {
for (int i = 0; i < r.AttributeCount; i++) {
Console.WriteLine(" ATTRIBUTE: " +
r.GetAttribute(i));
}
}
} else if (r.NodeType == XmlNodeType.Text) {
Console.WriteLine(" VALUE: " + r.Value);
}
}
}
}
[/csharp]
Load xml document from xml file
using System; using System.Xml; class XMLDemo{ [STAThread] static void Main(string[] args) { XmlDocument xmlDom = new XmlDocument(); xmlDom.AppendChild(xmlDom.CreateElement("", "books", "")); XmlElement xmlRoot = xmlDom.DocumentElement; XmlElement xmlBook; XmlElement xmlTitle, xmlAuthor, xmlPrice; XmlText xmlText; xmlBook= xmlDom.CreateElement("", "A", ""); xmlBook.SetAttribute("property", "", "a"); xmlTitle = xmlDom.CreateElement("", "B", ""); xmlText = xmlDom.CreateTextNode("text"); xmlTitle.AppendChild(xmlText); xmlBook.AppendChild(xmlTitle); xmlRoot.AppendChild(xmlBook); xmlAuthor = xmlDom.CreateElement("", "C", ""); xmlText = xmlDom.CreateTextNode("textg"); xmlAuthor.AppendChild(xmlText); xmlBook.AppendChild(xmlAuthor); xmlPrice = xmlDom.CreateElement("", "D", ""); xmlText = xmlDom.CreateTextNode("99999"); xmlPrice.AppendChild(xmlText); xmlBook.AppendChild(xmlPrice); xmlRoot.AppendChild(xmlBook); Console.WriteLine(xmlDom.InnerXml); xmlDom.Save("books.xml"); XmlDocument xmlDom2 = new XmlDocument(); xmlDom2.Load("books.xml"); Console.WriteLine(xmlDom2.InnerXml); } }
Read XML From URL
/* * C# Programmers Pocket Consultant * Author: Gregory S. MacBeth * Email: gmacbeth@comporium.net * Create Date: June 27, 2003 * Last Modified Date: * Version: 1 */ using System; using System.IO; using System.Xml; namespace Client.Chapter_22___XML { public class ReadXMLFromURL { static void Main(string[] args) { string localURL = "http:somehostTest.xml"; XmlTextReader myXmlURLreader = null; myXmlURLreader = new XmlTextReader (localURL); while (myXmlURLreader.Read()) { //TODO - } if (myXmlURLreader != null) myXmlURLreader.Close(); } } }
Read An XML File
/* * C# Programmers Pocket Consultant * Author: Gregory S. MacBeth * Email: gmacbeth@comporium.net * Create Date: June 27, 2003 * Last Modified Date: * Version: 1 */ using System; using System.IO; using System.Xml; namespace Client.Chapter_22___XML { public class ReadAnXMLFile { private const string doc = "Test.xml"; static void Main(string[] args) { XmlTextReader reader = null; // Load the file with an XmlTextReader reader = new XmlTextReader(doc); // Read the File while (reader.Read()) { //TODO - } if (reader != null) reader.Close(); } } }
Access Attributes
using System; using System.Collections.Generic; using System.Text; using System.Xml; class Program { static void Main(string[] args) { XmlDocument documentation = new XmlDocument(); documentation.Load("DocumentedClasses.xml"); XmlNodeList memberNodes = documentation.SelectNodes("//member"); List<XmlNode> typeNodes = new List<XmlNode>(); foreach (XmlNode node in memberNodes) { if (node.Attributes["name"].Value.StartsWith("T")) { typeNodes.Add(node); } } foreach (XmlNode node in typeNodes) { Console.WriteLine("- {0}", node.Attributes["name"].Value.Substring(2)); } } }
Reading from an XML file.
using System; using System.Xml; public class MainClass { public static void Main(string[] args) { XmlTextReader reader = new XmlTextReader(args[0]); while (reader.Read()) { switch (reader.NodeType) { case XmlNodeType.Element: // The node is an Element Console.WriteLine("Element: " + reader.Name); while (reader.MoveToNextAttribute()) // Read attributes Console.WriteLine(" Attribute: [" + reader.Name + "] = '" + reader.Value + "'"); break; case XmlNodeType.DocumentType: // The node is a DocumentType Console.WriteLine("Document: " + reader.Value); break; case XmlNodeType.Comment: Console.WriteLine("Comment: " + reader.Value); break; } } reader.Close(); } }