в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:17:30Z

1 версия

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==Read and write with XmlReader and XmlWriter==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
public class MainClass
{
public static void Main()
{
XmlReader reader = XmlReader.Create("pubs.xml");
XmlWriter writer = XmlWriter.Create("output.xml");
while (reader.Read())
{
writer.WriteNode(reader, true);
}
reader.Close();
writer.Close();
}
}</source>

==Read one xml to write it to another xml==

<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();
writer.WriteEndElement();
XmlTextReader reader = new XmlTextReader(@"C:\node.xml");

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

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

==Read/Write Xml document with FileStream==

<source lang="csharp">using System;
using System.Xml;
using System.IO;
using System.Text;
public class MainClass
{
private static void Main()
{
FileStream fs = new FileStream("products.xml", FileMode.Create);
XmlWriter w = XmlWriter.Create(fs);
w.WriteStartDocument();
w.WriteStartElement("products");
// Write a product.
w.WriteStartElement("product");
w.WriteAttributeString("id", "1001");
w.WriteElementString("productName", "Coffee");
w.WriteElementString("productPrice", "0.99");
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();
Console.WriteLine("<" + r.Name + ">");
if (r.HasAttributes)
{
for (int i = 0; i < r.AttributeCount; i++)
{
Console.WriteLine("\tATTRIBUTE: " + r.GetAttribute(i));
}
}
}
else if (r.NodeType == XmlNodeType.Text)
{
Console.WriteLine("\tVALUE: " + r.Value);
}
}
}
}</source>
<pre class=codeResult><products>
<product>
ATTRIBUTE: 1001
<productName>
VALUE: Coffee
<productPrice>
VALUE: 0.99</pre>

==Save Data As Xml==

<source lang="csharp">using System;
using System.Data.SqlClient;
using System.IO;
using System.Xml;
public class SaveDataAsXml {
public static void Main(string [] args) {
SqlConnection connection = new SqlConnection("Initial Catalog=Product; Integrated Security=SSPI; User ID=sa");
string command = "SELECT name FROM customers";
SqlCommand xmlCommand = new SqlCommand(command, connection);
connection.Open();
XmlReader reader = xmlCommand.ExecuteXmlReader();
XmlDocument doc = new XmlDocument();
doc.Load(reader);
doc.Save(Console.Out);
connection.Close();
}
}</source>

==Write value to Xml==

<source lang="csharp">using System;
using System.Collections.Generic;
using System.ruponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Xml;
public class MainClass
{
public static void Main()
{
XmlWriter writer;
writer = XmlWriter.Create("output.xml");
writer.WriteStartDocument();
writer.WriteStartElement("pubs");
writer.WriteStartElement("titles");
writer.WriteStartAttribute("name");
writer.WriteValue("value");
writer.WriteEndAttribute();
writer.WriteStartAttribute("price");
writer.WriteValue(19.99);
writer.WriteEndAttribute();
writer.WriteEndElement();
writer.WriteEndElement();
writer.Close();
}
}</source>

==Write whole xml document as a node==

<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:\node.xml");

while (!reader.EOF)
{
writer.WriteNode(reader, false);
}
writer.WriteEndDocument();
writer.Close();
return;
}
}</source>

==Write XML to file==

<source lang="csharp">using System;
using System.IO;
using System.Xml;
using System.Xml.Schema;
class MainClass
{
static void Main(string[] args)
{
XmlTextWriter myXmlTextWriter = null;

myXmlTextWriter = new XmlTextWriter("books.xml", null);
myXmlTextWriter.Formatting = Formatting.Indented;
myXmlTextWriter.WriteStartDocument(false);
myXmlTextWriter.WriteDocType("bookstore", null, "books.dtd", null);
myXmlTextWriter.WriteComment("comment");
myXmlTextWriter.WriteStartElement("bookstore");
myXmlTextWriter.WriteStartElement("book", null);
myXmlTextWriter.WriteAttributeString("genre", "autobiography");
myXmlTextWriter.WriteAttributeString("publicationdate", "1979");
myXmlTextWriter.WriteAttributeString("ISBN", "0-9999-9999-9");
myXmlTextWriter.WriteElementString("title", null, "Title");
myXmlTextWriter.WriteStartElement("Author", null);
myXmlTextWriter.WriteElementString("first-name", "first");
myXmlTextWriter.WriteElementString("last-name", "last");
myXmlTextWriter.WriteEndElement();
myXmlTextWriter.WriteElementString("price", "799.99");
myXmlTextWriter.WriteEndElement();
myXmlTextWriter.WriteEndElement();
//Write the XML to file and close the writer
myXmlTextWriter.Flush();
myXmlTextWriter.Close();
if (myXmlTextWriter != null)
myXmlTextWriter.Close();
}
}</source>

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в 15:31, 26 мая 2010

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