XML Creation

Note : This post is first published on Dec-2010 in my previous blog Techkindle. Moving the content here.

Creation of XML file is very much easy with the existing class library in the .NET framework with C#. Although we can create many complex XML files, here I have presented a simple application which is easy to understand, it create & stores the XML file in text file. It retrieves the XML file & displays the data.

	using System.Xml;
	using System;

	namespace SampleXmlTest
	{
	public class XmlClass
	{
	static void Main(string[] args)
	{
	try
	{
	XmlDocument docxml = new XmlDocument(); //Creating an XmlDocument
	XmlElement root, rtchild, child;

	XmlNode nodexml = docxml.CreateNode(XmlNodeType.XmlDeclaration, "", "");
	docxml.AppendChild(nodexml);//Adding node to document

	root = docxml.CreateElement("", "Books", ""); //Creating root element
	rtchild = docxml.CreateElement("", "Book", "");//Creating 1st child book element

	child = docxml.CreateElement("", "Name", "");
	child.InnerText = "The Last Lecture";
	rtchild.AppendChild(child);

	child = docxml.CreateElement("", "Author", "");
	child.InnerText = "Raundy Paush";
	rtchild.AppendChild(child);

	child = docxml.CreateElement("", "Price", "");
	child.InnerText = "295";
	rtchild.AppendChild(child);

	root.AppendChild(rtchild);//adding 1st child to root element

	rtchild = docxml.CreateElement("", "Book", "");//Creating 2nd child book element

	child = docxml.CreateElement("", "Name", "");
	child.InnerText = "The Secret";
	rtchild.AppendChild(child);

	child = docxml.CreateElement("", "Author", "");
	child.InnerText = "Rhonda Byrne";
	rtchild.AppendChild(child);

	child = docxml.CreateElement("", "Price", "");
	child.InnerText = "660";
	rtchild.AppendChild(child);

	root.AppendChild(rtchild);//adding 2nd child to root element
	docxml.AppendChild(root);//adding root element to document

	docxml.Save(@"D:\SampleXml\books.xml");//Saving the xml into Text file

	Console.WriteLine("Xml Created Successfully");

	//Retrieving the XMl file

	XmlNodeList booklst = docxml.ChildNodes[1].SelectNodes("//Books");
	XmlNodeList book = booklst.Item(0).SelectNodes("//Book");

	string name1 = book[0].SelectNodes("//Name")[0].InnerText;
	string author1 = book[0].SelectNodes("//Author")[0].InnerText;
	string price1 = book[0].SelectNodes("//Price")[0].InnerText;

	string name2 = book[0].SelectNodes("//Name")[1].InnerText;
	string author2 = book[0].SelectNodes("//Author")[1].InnerText;
	string price2 = book[0].SelectNodes("//Price")[1].InnerText;

	Console.WriteLine(name1);
	Console.WriteLine(author1);
	Console.WriteLine(price1);

	Console.WriteLine(name2);
	Console.WriteLine(author2);
	Console.WriteLine(price2);

	Console.ReadLine();
	}
	catch (Exception ex)
	{
	throw ex;
	}
	}
	}
	}