programming4us
programming4us
WEBSITE

C# Tutorial: Reading and Writing XML Files (part 1) - Writing XML Files

- How To Install Windows Server 2012 On VirtualBox
- How To Bypass Torrent Connection Blocking By Your ISP
- How To Install Actual Facebook App On Kindle Fire

This tutorial assumes that you already know the basics of XML as I will start directly to coding. To create or manipulate XML files, you must use the classes and methods inside the System.XML namespace of the .NET Framework.

Writing XML Files


We can use the XmlWriter class to write XML files. It allows you to write XML text into a stream and then save it into an xml file.

using System.Xml;

public class Program
{
public static void Main()
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;

XmlWriter writer = XmlWriter.Create("Products.xml", settings);
writer.WriteStartDocument();
writer.WriteComment("This file is generated by the program.");
writer.WriteStartElement("Product");
writer.WriteAttributeString("ID", "001");
writer.WriteAttributeString("Name", "Soap");
writer.WriteElementString("Price", "10.00");
writer.WriteStartElement("OtherDetails");
writer.WriteElementString("BrandName", "X Soap");
writer.WriteElementString("Manufacturer", "X Company");
writer.WriteEndElement();
writer.WriteEndDocument();

writer.Flush();
writer.Close();
}
}

We first import the System.Xml namespace. We use the XmlWriterSettings class to create a setting for the XmlWriter that we will use. We dictated the program to use proper indention when writing the xml by using this settings. We then create an XmlWriter object by calling the XmlWriter.Create method and supplying the filename and the XmlWriterSettings object.


Using the XmlWriter class, we can write our xml. We first use the XmlWriter.WriteStartDocument() method which writes the xml declaration you find on the top of most xml files. Next we create a sample comment using teh XmlWriter.WriteComment() method. To write an Xml Element, we use the XmlWriter.WriteStartElement() and supply the name of the element as the argument. The XmlWriter.WriteStartElement() must be paired with XmlWriter.WriteEndElement which writes the closing tag of that element. We now create some attributes for the element using the XmlWriter.WriteAttributeString() method and supply the name and the value for that attribute.
We used the XmlWriter.WriteElementString() method with a name and a value as the arguments to write an element that is wrapping a value. We then nested another element inside the Products element by writing one more set of XmlWriter.WriteStartElement() and XmlWriter.WriteEndElement() . Inside it, we add two more elements that contain values. To mark the end of the document, we simly call the XmlWriter.WriteEndDocument() method.

Finally, we used the XmlWriter.Flush() method to clean the contents of the stream and the XmlWriter.Close() method to save the file and stop the program from using it.

The above code will produce the following XML file contents:

<?xml version="1.0" encoding="utf-8"?>
<!--This file is generated by the program.-->
<Product ID="001" Name="Soap">
<Price>10.00</Price>
<OtherDetails>
<BrandName>X Soap</BrandName>
<Manufacturer>X Company
</Manufacturer></OtherDetails></Product>

Other  
  •  C# 2010 and the .NET 4 Platform : Understanding the ASP.NET Profile API (part 4) - Grouping Profile Data and Persisting Custom Objects
  •  C# 2010 and the .NET 4 Platform : Understanding the ASP.NET Profile API (part 3) - Accessing Profile Data Programmatically
  •  C# 2010 and the .NET 4 Platform : Understanding the ASP.NET Profile API (part 2) - Defining a User Profile Within Web.config
  •  C# 2010 and the .NET 4 Platform : Understanding the ASP.NET Profile API (part 1) - The ASPNETDB.mdf Database
  •  C# 2010 and the .NET 4 Platform : The Role of the sessionState Element - Storing Session Data in the ASP.NET Session State Server, Storing Session Data in a Dedicated Database
  •  C# 2010 and the .NET 4 Platform : ASP.NET State Management Techniques - Understanding Cookies
  •  Sharepoint 2013 : Content Model and Managed Metadata - Publishing, Un-publishing, and Republishing
  •  Sharepoint 2013 : Content Model and Managed Metadata - Content Type Hubs
  •  Sharepoint 2013 : Managed Metadata in SharePoint Sites (part 3) - Filtering, Tagging in Office Applications
  •  Sharepoint 2013 : Managed Metadata in SharePoint Sites (part 2) - Tagging User Interface
  •  
    Top 10
    - Microsoft Visio 2013 : Adding Structure to Your Diagrams - Finding containers and lists in Visio (part 2) - Wireframes,Legends
    - Microsoft Visio 2013 : Adding Structure to Your Diagrams - Finding containers and lists in Visio (part 1) - Swimlanes
    - Microsoft Visio 2013 : Adding Structure to Your Diagrams - Formatting and sizing lists
    - Microsoft Visio 2013 : Adding Structure to Your Diagrams - Adding shapes to lists
    - Microsoft Visio 2013 : Adding Structure to Your Diagrams - Sizing containers
    - Microsoft Access 2010 : Control Properties and Why to Use Them (part 3) - The Other Properties of a Control
    - Microsoft Access 2010 : Control Properties and Why to Use Them (part 2) - The Data Properties of a Control
    - Microsoft Access 2010 : Control Properties and Why to Use Them (part 1) - The Format Properties of a Control
    - Microsoft Access 2010 : Form Properties and Why Should You Use Them - Working with the Properties Window
    - Microsoft Visio 2013 : Using the Organization Chart Wizard with new data
    REVIEW
    - First look: Apple Watch

    - 3 Tips for Maintaining Your Cell Phone Battery (part 1)

    - 3 Tips for Maintaining Your Cell Phone Battery (part 2)
    programming4us programming4us
    Celebrity Style, Fashion Trends, Beauty and Makeup Tips.
    programming4us
     
     
    programming4us