Deserializing nested xml into C# objects

Question

I am retrieving xml data from an http web request and deserializing the data into objects.

Here is a sample xml structure.

<users>
    <user>
        <name>...</name>
        <orders>
            <order>
                <number>...</number>
            </order>        
            ...
        </orders>
    </user>
    <user>
        <name>...</name>
        <orders></orders>
    </user>
    ...
</users>

I have four classes

public class Users
{
    [XmlElement("user")]
    public User[] UserList { get; set; }
}

public class User
{
    [XmlElement("name")]
    public string Name { get; set; }

    [XmlArray("orders")]
    public Orders OrderList { get; set; }
}

public class Orders
{
    [XmlElement("order")]
    public Order[] Order { get; set; }
}

public class Order
{
    [XmlElement("number")]
    public string Number { get; set; }
}

I feel like three classes should be enough - have an Order[] in User class and get rid of 'Orders' class. Is that possible? Whatever I tried did not work.

Thanks.

But what is it that you tried?

Jeff-Meadows
– Jeff-Meadows

2013-02-09 00:14:26 +00:00
Commented Feb 9, 2013 at 0:14 — Jeff-Meadows
– Jeff-Meadows, Commented Feb 9, 2013 at 0:14
How did it not work? We aren't mind readers..

Simon Whitehead
– Simon Whitehead

2013-02-09 00:42:58 +00:00
Commented Feb 9, 2013 at 0:42 — Simon Whitehead
– Simon Whitehead, Commented Feb 9, 2013 at 0:42
Why is that important? It did not work.

user471317
– user471317

2013-02-09 00:49:53 +00:00
Commented Feb 9, 2013 at 0:49 — user471317
– user471317, Commented Feb 9, 2013 at 0:49

I4V · Accepted Answer · 2013-02-09 00:46:01Z

22

This should work

XmlSerializer ser = new XmlSerializer(typeof(Users));
var u = (Users)ser.Deserialize(stream);


[XmlRoot("users")]
public class Users
{
    [XmlElement("user")]
    public User[] UserList { get; set; }
}

public class User
{
    [XmlElement("name")]
    public string Name { get; set; }

    [XmlArray("orders"),XmlArrayItem("order")]
    public Order[] OrderList { get; set; }
}

[XmlRoot("order")]
public class Order
{
    [XmlElement("number")]
    public string Number { get; set; }
}

answered Feb 9, 2013 at 0:46

I4V

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Comments

Tim · Accepted Answer · 2013-02-09 00:40:00Z

You can use just 3 classes. All you have to do is to add Xml.Serialization.XmlType to your classes

using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.Diagnostics;

[Xml.Serialization.XmlType("users", IncludeInSchema = true)]
public class Users
{
[XmlElement("user")]
public List<User> UserList {
    get {
        if (m_UserList == null) {
            m_UserList = new List<User>();
        }
        return m_UserList;
    }
}

private List<User> m_UserList;
}
[Xml.Serialization.XmlType("user", IncludeInSchema = true)]
public class User
{
[XmlElement("name")]
public string Name {
    get { return m_Name; }
    set { m_Name = value; }
}

private string m_Name;
[XmlArray("orders")]
public List<Orders> OrderList {
    get {
        if (m_OrderList == null) {
            m_OrderList = new List<Orders>();
        }
        return m_OrderList;
    }
}
private List<Orders> m_OrderList;
}
[Xml.Serialization.XmlType("orders", IncludeInSchema = true)]
public class Orders
{
[XmlElement("number")]
public string Number {
    get { return m_Number; }
    set { m_Number = value; }
}
private string m_Number;
}

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