c# - deserialize object from xml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// Tested on .NET 5

using System;
using System.IO;
using System.Text;
using System.Xml.Serialization;

public class User
{
    public int Id { get; set; }
    public string Name { get; set; }
    public int Age { get; set; }
}

public class Program
{
    public static void Main()
    {
        string xml = "<?xml version=\"1.0\"?>\n" +
                     "<User xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
                     "  <Id>1</Id>\n" +
                     "  <Name>Jan Kowalski</Name>\n" +
                     "  <Age>30</Age>\n" +
                     "</User>";

        byte[] bytes = Encoding.UTF8.GetBytes(xml);

        XmlSerializer serializer = new XmlSerializer(typeof(User));

        using (MemoryStream stream = new MemoryStream(bytes))
        {
            User user = (User) serializer.Deserialize(stream);

            Console.WriteLine("Id: " + user.Id);      // Id: 1
            Console.WriteLine("Name: " + user.Name);  // Name: Jan Kowalski
            Console.WriteLine("Age: " + user.Age);    // Age: 30
        }
    }
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// Tested on .NET 5

using System;
using System.IO;
using System.Text;
using System.Xml.Serialization;

public class User
{
    public int Id { get; set; }
    public string Name { get; set; }
    public int Age { get; set; }
}

public class Program
{
    public static void Main()
    {
        string xml = "<?xml version=\"1.0\"?>\n" +
                     "<User xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" +
                     "  <Id>1</Id>\n" +
                     "  <Name>Jan Kowalski</Name>\n" +
                     "  <Age>30</Age>\n" +
                     "</User>";

        User user = DeserializeXml<User>(xml);

        Console.WriteLine("Id: " + user.Id);      // Id: 1
        Console.WriteLine("Name: " + user.Name);  // Name: Jan Kowalski
        Console.WriteLine("Age: " + user.Age);    // Age: 30
    }

    public static T DeserializeXml<T>(string xml)
    {
        byte[] bytes = Encoding.UTF8.GetBytes(xml);

        XmlSerializer serializer = new XmlSerializer(typeof(T));

        using (MemoryStream stream = new MemoryStream(bytes))
        {
            return (T) serializer.Deserialize(stream);
        }
    }
}