Can XmlSerializer Deserialize XML Data into a List?

Use XmlSerializer to deserialize XML into a list

Serialization is a powerful technique for converting objects into a stream of data that can be stored or transmitted. A common use case is deserialization, where data is converted back into objects based on a specific data format (such as XML).

Can XmlSerializer convert XML to a list?

Yes, it is possible to use the XmlSerializer class to deserialize XML into a List. However, since the XmlSerializer usually converts XML into a direct instance of a class, slight modification is required to achieve this.

Create a wrapper class

To encapsulate the user list, create a wrapper class named UserList:

[XmlRoot("user_list")]
public class UserList
{
    public UserList() { Items = new List<User>(); }
    [XmlElement("user")]
    public List<User> Items { get; set; }
}

Example

Given the provided XML and User class, here is how to deserialize XML into a List:

XmlSerializer ser = new XmlSerializer(typeof(UserList));
UserList list = new UserList();
list.Items.Add(new User { Id = 1, Name = "abc" });
list.Items.Add(new User { Id = 2, Name = "def" });
list.Items.Add(new User { Id = 3, Name = "ghi" });

ser.Serialize(Console.Out, list);

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