sample22.cs

C#函数手册

namespace apiBook
{
	using System;
	using System.Xml;
	using System.IO;
	using System.Data;
	public class TestClass 
	{ 
		public static void Main()
		{			
			try
			{
				XmlDocument testXD = new XmlDocument();
				testXD.LoadXml("<student Id='1'>" +
		       
					"  <name>Rose</name>" +
					"  <dept>Computer</dept>" +
					"  <school>SCUT</school>" +
					"</student>");
				XmlComment testXC;
				testXC = testXD.CreateComment("test XmlComment");
				XmlDeclaration testXDn;
				testXDn = testXD.CreateXmlDeclaration ("1.0",null,null);
				//创建XmlDeclaration对象
				testXDn.Encoding="UTF-8";
				testXDn.Standalone="no";           
				XmlElement testXE = testXD.DocumentElement;
				testXD.InsertBefore(testXDn, testXE);
				testXD.InsertBefore(testXC, testXE);  
				XmlTextWriter writer = new XmlTextWriter (Console.Out);
				writer.Formatting = Formatting.Indented;
				testXD.Save(writer);
				Console.WriteLine();
				Console.WriteLine("克隆的XmlDeclaration对象的内容：");
				XmlDeclaration cloneXDn= (XmlDeclaration) testXDn.CloneNode(true);
				//使用CloneNode方法创建当前对象的拷贝
				Console.WriteLine(cloneXDn.OuterXml);
			}
			catch (Exception e)
			{
				Console.WriteLine (e.ToString());
			}
			
			Console.ReadLine();
		}	
	}
}