How to Convert Json Object to C# Class Object

Question

{
    "users": [
        {
            "name": "User1",
            "email": "[email protected]",
            "phone": "+12049987456",
            "status": "Active",
            "title": "Mr"
        },
        {
            "name": "User2",
            "email": "[email protected]",
            "phone": "+12040147456",
            "status": "Active",
            "title": "Mr"
        },
        {
            "name": "User3",
            "email": "[email protected]",
            "phone": "+12040787456",
            "status": "Active",
            "title": "Ms"
        }
    ]
}

Tried Converting this json object to a List but it is only having null values

var a = JsonConvert.DeserializeObject<User>(jsonData);

How can i Parse it to a Class Object ?

You can use Newtonsoft json library and parse the json to C# class - nuget.org/packages/Newtonsoft.Json — S2S2
– S2S2, Commented Mar 8, 2019 at 7:41

Steve · Accepted Answer · 2019-03-11 10:32:47Z

If you want to deserialize that particular json string you need to define a root object that contain the list of your users.

For example:

public class ListRoot
{ 
    public List<User> users { get; set; }
}

public class User
{ 
    public string name { get; set; }
    public string phone { get; set; }
    public string email { get; set; }
    public string status { get; set; }
    public string title { get; set; }
}

And now you can call

var data = JsonConvert.DeserializeObject<ListRoot>(jsonData);
foreach (User u in data.users)
{
    Console.WriteLine($"User:name={u.name}, phone={u.phone}, email={u.email}");
}

Of course, if you can control the production of the json data, you could have a lot simpler approach preparing a json data like this

[
    {
        "name": "User1",
        "email": "[email protected]",
        "phone": "+12049987456",
        "status": "Active",
        "title": "Mr"
    },
    {
        "name": "User2",
        "email": "[email protected]",
        "phone": "+12040147456",
        "status": "Active",
        "title": "Mr"
    },
    {
        "name": "User3",
        "email": "[email protected]",
        "phone": "+12040787456",
        "status": "Active",
        "title": "Ms"
    }
]

that gives you the ability to call directly

List<User> users = JsonConvert.DeserializeObject<List<User>>(jsonData);

Dany · Accepted Answer · 2019-03-08 08:03:18Z

1

You should convert to List of object, because your json is enumeration of users objects. For example: var a = JsonConvert.DeserializeObject<List<User>>(jsonData);

answered Mar 8, 2019 at 8:03

Dany

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2 Comments

Steve Over a year ago

Did you try your answer with the json data proposed by the OP?

Dany Over a year ago

Json can be tried at json2csharp.com . Other think is what is the User class, because we don`t have the code.

Jürgen Müller · Accepted Answer · 2019-03-08 08:10:34Z

1

This depends on your User class. Please provide the code.

Your json looks more like the representation of List<User>. If so you have to deserialize via JsonConvert.DeserializeObject<List<User>>(json).

answered Mar 8, 2019 at 8:10

Jürgen Müller

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