How to read and modify an XML file programmatically

September 9th, 2011

STEP 1: Create an XML file on your local machine

<?xml version="1.0" encoding="utf-8"?>

<Address>

<Address1>One Microsoft Way</Address1>

<City>Redmond</City>

<State>WA</State>

<Zip>98035</Zip>

</Address>

STEP 2: Create a class with public properties to change the XML

public class Address

{

public string Address1;

public string Address2;

public string City;

public string State;

public string Zip;

}

STEP 3: Create an event to handle the XML serialization

private void btnSerializeXMLFile_Click(object sender, EventArgs e)

{

Address _address = new Address();

XmlSerializer serializer = new XmlSerializer(typeof(Address));

FileStream file = new FileStream(@"TestXML.xml", FileMode.Open);

_address = serializer.Deserialize(file) as Address;

file.Close();

_address.Zip = "30005";

TextWriter writer = new StreamWriter(@"TestXML.xml");

serializer.Serialize(writer, _address);

writer.Close();

}

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Code Snippet: How to read and modify an XML file programmatically