Write c# class from a json string

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hi,

Can you please help me to write the c# class for this JSON content :

C#

{"pictureId":"656f33d5-8aec-4f50-ac01-e81e7435cf57","name":"A1","canEdit":true,"isOwner":true,"subComponents":[[2,"default:42a18f47-7033-432a-82ce-a5bd00f8f5f8"],[2,"default:f8c44f44-e716-4b17-b1b7-a5bd00b2007f"],[2,"default:94003fd5-b3d6-4c95-a540-a5bd00b18bdc"]],"aclPermissions":[],"version":0}

I want to be able to write this object to serialize it as a JSON.

What I have tried:

I used json2csharp to generate the class but the error is with subcomponent :

C#

public class PictureRead
{
    public string pictureId { get; set; }
    public string name { get; set; }
    public bool canEdit { get; set; }
    public bool isOwner { get; set; }
    public List<list<object>> subComponents { get; set; }
    public List<object> aclPermissions { get; set; }
    public long version { get; set; }
}

Posted 2-Mar-16 9:12am

Member 12330910

Updated 2-Mar-16 11:54am

Maciej Los

v2

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Comments

Mathi Mani 2-Mar-16 15:24pm

Can you please share what the error is?

Member 12330910 2-Mar-16 15:26pm

i can't write subComponents item

Matt T Heffron 2-Mar-16 16:08pm

It isn't clear what is still wrong.
Is the problem that when you have deserialized the JSON to an instance of your PictureRead class, that it doesn't serialize back to the same JSON?
It's probably time to use the debugger to see what's really going on.

BillWoodruff 2-Mar-16 15:42pm

Try using object[] instead of List<object> ... that's a "wild guess."

Richard Deeming 2-Mar-16 16:09pm

Your class works fine with JSON.NET[^] - it deserializes the sample JSON, and reserializes it exactly as expected.

If you can't switch to JSON.NET, then you'll need to tell us what JSON library you're using, and the full details of the error.

Member 12330910 2-Mar-16 16:17pm

I'm using JSON.NET. In fact, the problem is how to write subComponents:
PictureRead pictureRead = new PictureRead();
pictureRead.subComponents = ???

I expected something different than "object" to see a int and String for example

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Parveen Siwach · Accepted Answer · 2016-03-02T11:54:00

C#

Hi,

You can use multi-dimensional array to achieve this.

Below is the code to solve your problem.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace WebApplication3
{
    public partial class WebForm4 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {

            PictureRead pictureRead = new PictureRead();
            pictureRead.pictureId = "656f33d5-8aec-4f50-ac01-e81e7435cf57";
            pictureRead.name = "A1";
            pictureRead.canEdit = true;
            pictureRead.isOwner = true;

            object[][] objsubComponents = new object[3][];
            objsubComponents[0] = new object[2] { 2, "default:42a18f47-7033-432a-82ce-a5bd00f8f5f8" };
            objsubComponents[1] = new object[2] { 2, "default:f8c44f44-e716-4b17-b1b7-a5bd00b2007f" };
            objsubComponents[2] = new object[2] { 2, "default:94003fd5-b3d6-4c95-a540-a5bd00b18bdc" };

            pictureRead.subComponents = objsubComponents;

            string json = Newtonsoft.Json.JsonConvert.SerializeObject(pictureRead);
        }
    }

    public class PictureRead
    {
        public PictureRead()
        {
            subComponents = new object[3][];
            aclPermissions = new object[0];
        }

        public string pictureId { get; set; }
        public string name { get; set; }
        public bool canEdit { get; set; }
        public bool isOwner { get; set; }
        public object[][] subComponents { get; set; }
        public object[] aclPermissions { get; set; }
        public int version { get; set; }
    }


}

Thanks,