How to Serialize C# Class with class name as root element

Question

I have the following C# class

[XmlRoot("Customer")]
public class MyClass
{
    [XmlElement("CustId")]
    public int Id {get;set;}

    [XmlElement("CustName")]
    public string Name {get;set;}
}

I then use the following function serialise the class object to Xml

 public static XmlDocument SerializeObjectToXML(object obj, string sElementName)
 {
    XmlSerializer serializer = 
          new XmlSerializer(obj.GetType(), new XmlRootAttribute("Response"));

    using (MemoryStream ms = new MemoryStream())
    {
       XmlDocument xmlDoc = new XmlDocument();
       serializer.Serialize(ms, obj);
       ms.Position = 0;
       xmlDoc.Load(ms);
    }
}

My current output to XML is like;

<Response>
  <CustId></CustId>
  <CustName></CustName>
</Response>

But how can I get the response to look like;

<Response>
  <Customer>
     <CustId></CustId>
     <CustName></CustName>
  </Customer>
</Response>

Answer 1

Change the XmlElementAttribute on MyClass (it's not actually valid there according to http://msdn.microsoft.com/en-us/library/system.xml.serialization.xmlelementattribute(v=vs.110).aspx) to an XmlTypeAttribute:

    [XmlType("Customer")]
    public class MyClass
    {
        [XmlElement("CustId")]
        public int Id { get; set; }

        [XmlElement("CustName")]
        public string Name { get; set; }
    }

The serialization method can now be (identical to that in the question but without the second parameter in the constructor of XmlSerializer):

    public static XmlDocument SerializeObjectToXML(object obj, string sElementName)
    {
        XmlSerializer serializer = new XmlSerializer(obj.GetType());
        XmlDocument xmlDoc = new XmlDocument();
        using (MemoryStream ms = new MemoryStream())
        {

            serializer.Serialize(ms, obj);
            ms.Position = 0;
            xmlDoc.Load(ms);
        }

        return xmlDoc;
    }