Creating an array in C# that contains an object

Question

I have a RequestModel that contains some properties and another class Consignment.

Calling JsonConvert.SerializeObject(this); returns

{ "consignment": { "collectionDetails": null } }

Instead I would like to return an array of the object

"consignment": [ { "collectionDetails": null } ]

I've tried to create Consignment[] but get a conversion issue.

I've also tried to create a List<Consignment>

class RequestModel
{
    public string job_id { get; set; }
    public Consignment consignment = new Consignment();

    public class Consignment
    {
        public string consignmentNumber { get; set;
    }

    public string ToJSON()
    {
        return JsonConvert.SerializeObject(this);
    }

Where does collectionDetails come from? all i see is consignmentNumber. Also, why does job_id not show up, are you sure you are reading the correct json? — Scott Chamberlain
– Scott Chamberlain, Commented Apr 6, 2018 at 16:23
"I've tried to create Consignment[] but get a conversion issue." perhaps show that code so we can help fix it — James Thorpe
– James Thorpe, Commented Apr 6, 2018 at 16:23
If you are using a List say called computerList of object Computer you need to use List<Computer> computerList = new List<Computer>(); and then add as so computerList.Add(new Computer(words[0], words[1], "N/a", words[2], words[3])); — Ollie Beumkes
– Ollie Beumkes, Commented Apr 6, 2018 at 16:28

Always Learning · Accepted Answer · 2018-04-06 16:37:16Z

2

Here you go:

public class RequestModel
{
    public string job_id { get; set; }
    public Consignment consignment { get; set; }

    public RequestModel()
    {
        consignment = new Consignment();
    }                

    public string ToJSON()
    {
        return JsonConvert.SerializeObject(this);
    }
}

Then your Consignment DTO would look like this assuming you have a CollectionItems class (didn't see any code in question around this):

public class Consignment
{
    public List<CollectionItems> collectionDetails { get; set; }
    public Consignment()
    {
        collectionDetails = new List<Collection>();
    }
}

answered Apr 6, 2018 at 16:37

Always Learning

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1 Comment

atoms Over a year ago

many thanks this would work great! I realised I could do it outside of the Consignment class too.

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