Use XmlSerializer to serialize string to CDATA
Does XmlSerializer for .NET allow serializing strings to CDATA using attributes?
Solution:
.NET's XmlSerializer class does not directly allow CDATA serialization using properties. However, you can use a combination of XmlIgnore properties and custom properties to achieve the desired results.
Here is an example class that demonstrates this approach:
[Serializable] public class MyClass { public MyClass() { } [XmlIgnore] public string MyString { get; set; } [XmlElement("MyString")] public System.Xml.XmlCDataSection MyStringCDATA { get { return new System.Xml.XmlDocument().CreateCDataSection(MyString); } set { MyString = value.Value; } } }
In this custom class, use the XmlIgnore attribute to exclude the MyString property from serialization. Instead, a new MyStringCDATA property is defined, which returns a System.Xml.XmlCDataSection object that encapsulates the required string. This allows CDATA serialization without the need for additional attributes.
Usage:
To use this method, you create a MyClass instance, set the MyString property, and then serialize it using XmlSerializer:
MyClass mc = new MyClass(); mc.MyString = "<test>Hello World</test>"; XmlSerializer serializer = new XmlSerializer(typeof(MyClass)); StringWriter writer = new StringWriter(); serializer.Serialize(writer, mc); Console.WriteLine(writer.ToString());
Output:
This will produce the following XML output:
<?xml version="1.0" encoding="utf-16"?><myclass xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><mystring><![CDATA[Hello World]]></mystring></myclass>
Note that the MyString value is wrapped in a CDATA section as expected.
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