XML to Class Generator

1. Visual Studio 2008 -> Visual Studio Tools -> Visual Studio Command Prompt

2. Convert xml to xsd
D:\\test>xsd test.xml

3. Convert xsd to class
D:\\xsd.exe -c -l:c# -n:test test.xsd

4. Add new class to project.

root class hast to use [Serializable] atribute to deserialize

[Serializable]
[XmlRoot("response")]
public partial class TestKlasa

5. Deserialize

static TestKlasa Deserialize_Test(string response)
        {
            byte[] byteArray = Encoding.UTF8.GetBytes(response);
            MemoryStream responseStream = new MemoryStream(byteArray);

            try
            {
                XmlSerializer deserializer = new XmlSerializer(typeof(TestKlasa));
                return (TestKlasa )deserializer.Deserialize(responseStream);
            }
            catch (Exception e)
            { ;}
            finally
            {
                responseStream.Close();
            }

            return new TestKlasa();
        }
    }

Sources: here and here