How to serialize one property of an object of arrays

Question

I have the following model

public class MyModel {
    public string Title;
    public string Description;
    public string Date;
}

I now have an IEnumerable object containing many MyModels

{
    data: [
        {
            Title: xxx,
            Description: yyy,
            Date: 2024-12-03
        },
        {
            Title: xxx,
            Description: yyy,
            Date: 2024-12-04
        },
        {
            Title: xxx,
            Description: yyy,
            Date: 2024-12-05
        },
        {
            Title: xxx,
            Description: yyy,
            Date: 2024-12-06
        }
    ]
}

What I would like to do is to serialize just the dates. How would I go about this? The following obviously doesn't work.

var serialized = JsonConvert.SerializeObject(data.date)

Answer 1

If data is a collection of MyModel instances and you want just a collection of string instances of a single property of that model, you can use .Select() to project the former into the latter. For example:

var serialized = JsonConvert.SerializeObject(data.Select(d => d.Date));