How to Effectively Deserialize XML Data into C# Objects?

C# XML Deserialization: A Complete Guide

Deserializing XML data into objects is a critical step in accessing and processing structured information in a variety of applications. This article will dive into how to build classes for successful XML deserialization.

Build classes for deserialization

Consider the following XML example:

<code class="language-xml"><steplist><step><name>Name1</name><desc>Desc1</desc></step><step><name>Name2</name><desc>Desc2</desc></step></steplist></code>

To deserialize this XML, define the following class:

<code class="language-csharp">[XmlRoot("StepList")]
public class StepList
{
    [XmlElement("Step")]
    public List<Step> Steps { get; set; }
}

public class Step
{
    [XmlElement("Name")]
    public string Name { get; set; }
    [XmlElement("Desc")]
    public string Desc { get; set; }
}</code>

Example usage

The following test code demonstrates the deserialization process:

<code class="language-csharp">string testData = @"<StepList>
                        <Step>
                            <Name>Name1</Name>
                            <Desc>Desc1</Desc>
                        </Step>
                        <Step>
                            <Name>Name2</Name>
                            <Desc>Desc2</Desc>
                        </Step>
                    </StepList>";

XmlSerializer serializer = new XmlSerializer(typeof(StepList));
using (TextReader reader = new StringReader(testData))
{
    StepList result = (StepList)serializer.Deserialize(reader);
}</code>

Load from file

If the XML data is stored in a file, it can be deserialized using FileStream:

<code class="language-csharp">using (FileStream fileStream = new FileStream("<你的文件路径>", FileMode.Open))
{
    StepList result = (StepList)serializer.Deserialize(fileStream);
}</code>

By following these guidelines and using the provided examples, you can efficiently deserialize XML data and process it as objects in your application.

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