How to pass DateTime object as json in .net web api

Question

I Have a model which has DateTime type in it:

    public class ToDo
    {
        public int id { get; set; }
        public int parentId { get; set; }
        public string note { get; set; }
        public DateTime due { get; set; }
        public ToDo(int id, int parentId, string note, DateTime due)
        {
            this.id = id;
            this.parentId = parentId;
            this.note = note;
            this.due = due;
        }
    }

I've created a controller for this class to send my post requests through api. but I don't know how to bind DateTime type to json i've tried a request with the following body but it didn't work out:

    {"parentId":1,"note":"hello world","due":{"year":2017,"month": 11,"day":25}}

How should I post the DateTime type?

Arya11 · Accepted Answer · 2018-08-08 06:23:15Z

14

Apparently one of the ways you can do it is this:

{"due": "2017-11-01T00:00:00"}

it was actually an easy question but if you want to make sure how to make a proper post request for unknown object types format it's best to send an object with empty body to see the default values.

edited Aug 8, 2018 at 6:23

answered Aug 8, 2018 at 5:41

Arya11

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Edward · Accepted Answer · 2018-08-09 02:25:41Z

3

For DateTime Type property, you need to pass the String which could be converted to DateTime Type.

For {"year":2017,"month": 11,"day":25}, it is object instead of String, it will fail to convert to DateTime.

For anything which could be converted to DateTime by Convert.ToDateTime and DateTime.Parse.

So, both {"parentId":1,"note":"hello world","due":"05/05/2005"} and {"parentId":1,"note":"hello world","due":"2018-05-10"} will work, you could make test with the DateTime string you need.

answered Aug 9, 2018 at 2:25

Edward

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