deserialize repeated element in xml using c#

Question

I get a response which contains following:

<carList>
<numberOfRecords>237</numberOfRecords>
<year>1982</year>
<year>1983</year>
<year>1978</year>
<year>1955</year>
<year>1998</year>
</carList>

this is part of bigger xml doc, I can desterilizes the rest but this part I cannot. rest of my desterilized objects comes fine. here is my models:

public class Response 
{
   [XmlArray( "carList")]
   [XmlArrayItem("year")]
   //[XmlElement("carList")]
   public CarList? CarList { get; set; }
}

    public class CarList
    {
        [XmlElement("numberOfRecords")]
        public int? NumberOfRecords { get; set; }

        [XmlElement("year")]
        public List<string>? Year { get; set; }
    }

my deserializer:

XmlDeserializer xmldes = new XmlDeserializer();

var deserializedResponse = xmldes.Deserialize<Response>(response);

Marc Gravell · Accepted Answer · 2021-06-23 10:23:22Z

1

You only have a single carList, so this should be:

[XmlElement("carList")]
public CarList? CarList { get; set; }

assuming this is a child node, and not the root element (in which case: [XmlRoot("carList")] on CarList itself, and lose Response completely)

answered Jun 23, 2021 at 10:23

Marc Gravell

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8 Comments

Pamador Over a year ago

you're right, it's not a root element. it's part of bigger xml. my carList contains only a number of cars along with list of year. if i use the way you mentioned, 'NumberofRecords" gets populated but List of Year is empty

Marc Gravell Over a year ago

@Pamador works fine here: gist.github.com/mgravell/0a1d3a1de0cd9ab0614b375dc5425bb8 - do you have a repro that shows it not working? is the real code perhaps using xml namespaces and/or namespace prefixes?

Pamador Over a year ago

thanks for the comment. there is name space on root element if that was you're referring to. i did similar thing but it didn't work. when i deserialise the xml, number of record gets the correct value, but my list has none.

Marc Gravell Over a year ago

@Pamador namespaces are critically important in xml deserialization; if you want code that matches your data, you'll need to show example xml that includes something like your scenario - otherwise it won't work

Pamador Over a year ago

yes, i tried that in different project same as you did, and it works over there. here is the xml: <ABRPayloadSearchResults xmlns:xsd="w3.org/2001/XMLSchema" xmlns:xsi="w3.org/2001/XMLSchema-instance" xmlns="abr.business.gov.au/ABRXMLSearch"> <response> <abnList> <numberOfRecords>2680</numberOfRecords> <abn>95437472757</abn> <abn>38023383928</abn> <abn>12839919648</abn> <abn>50165055391</abn> <abn>60306167177</abn> </abnList> </response> </ABRPayloadSearchResults>

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