в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:17:39Z

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==Copy one xml document as a sub element into another xml document==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
XmlTextWriter writer = new XmlTextWriter("C:\\xmlWriterTest.xml", null);
writer.WriteStartDocument();

XmlTextReader reader = new XmlTextReader(@"C:\Sample.xml");

while (!reader.EOF)
{
writer.WriteNode(reader, false);
}

// Ends the document.
writer.WriteEndDocument();
writer.Close();
return;
}
}</source>

==Create XmlTextReader from StringReader==

<source lang="csharp">using System;
using System.IO;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
//StringReader stream = new StringReader("Sample.xml");
// Thanks for Scott R (rradjah at yahoo.ru)
StringReader stream = new StringReader("<?xml version="1.0"?><foo></foo>");
XmlTextReader reader = new XmlTextReader(stream);
while (reader.Read())
{
//TODO -
}
if (reader != null)
reader.Close();
}
}</source>

==Load xml document in XmlTextReader to XmlDocument==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
public static void Main()
{
XmlTextReader xtr = new XmlTextReader(@"c:\test.xml");
xtr.WhitespaceHandling = WhitespaceHandling.None;
XmlDocument xd = new XmlDocument();
xd.Load(xtr);
XmlNode xnodDE = xd.DocumentElement;
ChildDisplay(xnodDE, 0);
xtr.Close();
}
private static void ChildDisplay(XmlNode xnod, int level)
{
XmlNode xnodWorking;
String pad = new String(" ", level * 2);
Console.WriteLine(pad + xnod.Name + "(" + xnod.NodeType.ToString() + ": " + xnod.Value + ")");

if (xnod.NodeType == XmlNodeType.Element)
{
XmlNamedNodeMap mapAttributes = xnod.Attributes;
for(int i=0; i<mapAttributes.Count; i++)
{
Console.WriteLine(pad + " " + mapAttributes.Item(i).Name + " = " + mapAttributes.Item(i).Value);
}
}

if (xnod.HasChildNodes)
{
xnodWorking = xnod.FirstChild;
while (xnodWorking != null)
{
ChildDisplay(xnodWorking, level+1);
xnodWorking = xnodWorking.NextSibling;
}
}
}
}</source>
<pre class=codeResult>MyTestElements(Element: )
TestBoolean(Element: )
#text(Text: true)</pre>

==Read and write XML document==

<source lang="csharp">using System;
using System.Collections;
using System.Data;
using System.Xml;

class MainClass{
public static void Main(){
XmlDocument doc = new XmlDocument();
// read
doc.Load( "Sample.xml" );
Console.WriteLine(doc.OuterXml);
// write
XmlTextWriter tw = new XmlTextWriter( "testOut.xml", null );
tw.Formatting = Formatting.Indented;
tw.Indentation = 4;
doc.Save( tw );
tw.Close();

}
}</source>
<pre class=codeResult><?xml version="1.0" encoding="utf-8"?><scientists xmlns="http://tempuri.org/sample.xsd"><physicist><
name>Newton</name><discovery>gravity</discovery></physicist><chemist><name>Curie</name><discovery>ra
dioactivity</discovery></chemist><herpetologist><name>Steve Irwin</name><discovery>they bite!</disco
very></herpetologist></scientists></pre>

==Use XmlTextReader to load xml document from file==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
public static void Main()
{
XmlTextReader xtr = new XmlTextReader(@"c:\test.xml");
xtr.WhitespaceHandling = WhitespaceHandling.None;
XmlDocument xd = new XmlDocument();
xd.Load(xtr);
XmlNode xnodDE = xd.DocumentElement;
ChildDisplay(xnodDE, 0);
xtr.Close();
}
private static void ChildDisplay(XmlNode xnod, int level)
{
XmlNode xnodWorking;
String pad = new String(" ", level * 2);
Console.WriteLine(pad + xnod.Name + "(" + xnod.NodeType.ToString() + ": " + xnod.Value + ")");

if (xnod.NodeType == XmlNodeType.Element)
{
XmlNamedNodeMap mapAttributes = xnod.Attributes;
for(int i=0; i<mapAttributes.Count; i++)
{
Console.WriteLine(pad + " " + mapAttributes.Item(i).Name + " = " + mapAttributes.Item(i).Value);
}
}

if (xnod.HasChildNodes)
{
xnodWorking = xnod.FirstChild;
while (xnodWorking != null)
{
ChildDisplay(xnodWorking, level+1);
xnodWorking = xnodWorking.NextSibling;
}
}
}
}</source>
<pre class=codeResult>MyTestElements(Element: )
TestBoolean(Element: )
#text(Text: true)</pre>

==XmlTextReader: read and move==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
XmlTextReader reader = new XmlTextReader(@"C:\books.xml");
if (reader.Read())
{
Console.WriteLine(reader.Name);
reader.MoveToContent();
Console.WriteLine(reader.Name);
}
}
}</source>

==XmlTextReader: Skip==

<source lang="csharp">using System;
using System.Drawing;
using System.Collections;
using System.ruponentModel;
using System.Windows.Forms;
using System.Data;
using System.Data.OleDb;
using System.Xml;
public class MainClass{
public static void Main(){
XmlTextReader reader = new XmlTextReader(@"C:\books.xml");
while (reader.Read())
{
if (reader.Name != "bookstore")
reader.Skip();
else
{
Console.WriteLine("Name: "+reader.Name);
Console.WriteLine("Level of the node: " +reader.Depth.ToString());
Console.WriteLine("Value: "+reader.Value);
}
}
}
}</source>

==XmlTextWriter: Write Comment==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
XmlTextWriter writer = new XmlTextWriter("C:\\xmlWriterTest.xml", null);
writer.WriteStartDocument();
// Write comments
writer.WriteComment("This program uses XmlTextWriter.");
// Ends the document.
writer.WriteEndDocument();
writer.Close();
return;
}
}</source>

==XmlTextWriter: write start element==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
XmlTextWriter writer = new XmlTextWriter("C:\\xmlWriterTest.xml", null);
writer.WriteStartDocument();
// Write first element
writer.WriteStartElement("root");
writer.WriteStartElement("r", "RECORD", "urn:record");
// Ends the document.
writer.WriteEndDocument();
writer.Close();
return;
}
}</source>

==XmlTextWriter: write string==

<source lang="csharp">using System;
using System.Xml;
class MainClass
{
static void Main(string[] args)
{
XmlTextWriter writer = new XmlTextWriter("C:\\xmlWriterTest.xml", null);
writer.WriteStartDocument();
// Write next element
writer.WriteStartElement("FirstName","");
writer.WriteString("Mahesh");
writer.WriteEndElement();
// Ends the document.
writer.WriteEndDocument();
writer.Close();
return;
}
}</source>

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в 15:31, 26 мая 2010

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