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POc# XmlElment change order in derived class
 

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    <p>I'm trying to serialize a XML. I want to add a new property in a derived class and place it between the other properties of the base class.</p> <p>In the sample I want to place the 'SpecialInterests' between the 'Name' and the 'Age' of the base class.</p> <h2>XML</h2> <pre><code>&lt;!-- Output --&gt; &lt;PersonenListe xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"&gt; &lt;PersonenArray&gt; &lt;PersonObjekt&gt; &lt;Name&gt;Max Man&lt;/Name&gt; &lt;Age&gt;33&lt;/Age&gt; &lt;/PersonObjekt&gt; &lt;PersonObjekt xsi:type="SpecialPerson"&gt; &lt;Name&gt;Albert Einstein&lt;/Name&gt; &lt;Age&gt;36&lt;/Age&gt; &lt;SpecialInterests&gt;Physics&lt;/SpecialInterests&gt; &lt;/PersonObjekt&gt; &lt;/PersonenArray&gt; &lt;/PersonenListe&gt; &lt;!-- Desire --&gt; &lt;PersonenListe&gt; &lt;PersonenArray&gt; &lt;PersonObjekt&gt; &lt;Name&gt;Max Man&lt;/Name&gt; &lt;Age&gt;33&lt;/Age&gt; &lt;/PersonObjekt&gt; &lt;PersonObjekt xsi:type="SpecialPerson"&gt; &lt;Name&gt;Albert Einstein&lt;/Name&gt; &lt;SpecialInterests&gt;Physics&lt;/SpecialInterests&gt; &lt;Age&gt;36&lt;/Age&gt; &lt;/PersonObjekt&gt; &lt;/PersonenArray&gt; &lt;/PersonenListe&gt; </code></pre> <h2>c# - Main (Creating instances and serialization)</h2> <pre><code>static void Main(string[] args) { PersonalList personen = new PersonalList(); Person normPerson = new Person { Name = "Max Man", Age = 33 }; SpecialPerson specPerson = new SpecialPerson { Name = "Albert Einstein", Interests = "Physics", Age = 36 }; personen.AddPerson(normPerson); personen.AddPerson(specPerson); Type[] personTypes = new Type[personen.Persons.Count]; for (int i = 0; i &lt; personen.Persons.Count; i++) { personTypes[i] = personen.Persons[i].GetType(); } XmlSerializer serializer = new XmlSerializer(typeof(PersonalList), personTypes); FileStream fs = new FileStream("Personenliste.xml", FileMode.Create); serializer.Serialize(fs, personen); fs.Close(); personen = null; // Deserialize fs = new FileStream("Personenliste.xml", FileMode.Open); personen = (PersonalList)serializer.Deserialize(fs); serializer.Serialize(Console.Out, personen); Console.ReadLine(); } </code></pre> <h2>Models</h2> <pre><code>[XmlRoot("PersonenListe")] [XmlInclude(typeof(Person))] public class PersonalList { [XmlArray("PersonenArray")] [XmlArrayItem("PersonObjekt")] public List&lt;Person&gt; Persons = new List&lt;Person&gt;(); public void AddPerson(Person person) { Persons.Add(person); } } [XmlType("Person")] public class Person { [XmlElement(ElementName = "Name", Order = 1)] public virtual string Name { get; set; } [XmlElement(ElementName = "Age", Order = 3)] public virtual int Age { get; set; } } [XmlType("SpecialPerson")] public class SpecialPerson : Person { [XmlElement(ElementName = "Name", Order = 1)] public override string Name { get; set; } [XmlElement(ElementName = "SpecialInterests", Order = 2)] public string Interests { get; set; } [XmlElement(ElementName = "Age", Order = 3)] public override int Age { get; set; } } </code></pre>
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