How to pass multiple object as single json in C#?

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How to pass multiple object as single json format
my object like below

public class Emp
{
    public string Id{ get; set; }
    public string Name{ get; set; }
}

Now i need to pass json like below

[  
    {
        "Id": "John",
        "Name": "US"
    },
    {
        "Id": "John",
        "Name": "US"
    },
    {
        "Id": "John",
        "Name": "US"
    },
    {
        "Id": "John",
        "Name": "US"
    }
]

What I have tried:

I have tried with the below code but getting proper data for single json object.
But i need to get multiple data within square brackets.
Could you please suggest how to proceed to get multiple object with comma separated.

using Newtonsoft.Json;
using System;
using System.Collections.Generic;
namespace ToCommaExample
{
    class Program
    {
        static void Main(string[] args)
        {
            Service objService = new Service();
            Service objService2 = new Service();
            var listData = new List<SecurityAuditData>
            {
                new SecurityAuditData {TransactionName = "UserAdded",
                EntityID = "useradded@test.com",
                UserIdentity = "identity1"},
                
            };
            var listData2 = new List<SecurityAuditData>
            {
                new SecurityAuditData {TransactionName = "SecurityRoleUpdated",
                EntityID = "SecurityRoleUpdated@test.com",
                UserIdentity = "identity2"},

            };
            objService.AuditData = listData;
            objService2.AuditData = listData2;
            var finalJson = JsonConvert.SerializeObject(objService2.AuditData, Formatting.Indented);
                      Console.WriteLine(finalJson);
            Console.Read();
        }
    }

  
    public class SecurityAuditData
    {
        public string TransactionName { get; set; }
        public string EntityID { get; set; }
        public string UserIdentity { get; set; }
       
    }
    class Service
    {
        [NonSerialized]
  
        public object AuditData;
    }

}

Present output like below

[
  {
    "TransactionName": "SecurityRoleUpdated",
    "EntityID": "SecurityRoleUpdated@test.com",
    "UserIdentity": "identity2"
  }
]

Expected output

[
  {
    "TransactionName": "SecurityRoleUpdated",
    "EntityID": "SecurityRoleUpdated@test.com",
    "UserIdentity": "identity2"
  },
 {
    "TransactionName": "UserAdded",
    "EntityID": "useradded@test.com",
    "UserIdentity": "identity1"
}
]

Posted 1-Oct-18 0:30am

DGKumar

Updated 2-Oct-18 23:50pm

v2

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Comments

F-ES Sitecore 1-Oct-18 6:40am

Have a List<Emp> or an array of Emp and it will serialise to how you want.

DGKumar 3-Oct-18 5:53am

Hi I have updated the query that what i have tried to get multiple objects json data
Could you please suggest how to get data.

2 solutions

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summiya1 · Answer 1 · 2018-10-01T01:55:00

Solution 2

yes its very simple you can pass this list to JSON Serialize

using Newtonsoft.Json;

var json = JsonConvert.SerializeObject(yourlist_here);

for this you have to install this into your project via the NuGet Package Manager (Tools --> NuGet Package Manager --> Package Manager Console):

PM> Install-Package Newtonsoft.Json

Posted 1-Oct-18 1:55am

summiya1

Comments

DGKumar 1-Oct-18 8:20am

HI
By using this code i am bale to get only one result
But need to get multiple results
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication22
{
class Program
{

static void Main(string[] args)
{
JsonResultMethods obj = new JsonResultMethods();

JsonResult objJsonResult = new JsonResult();
var finalJson = JsonConvert.SerializeObject(obj.M1());
Console.WriteLine(finalJson);
Console.Read();
}

}

class JsonResult {
public int Id { get; set; }
public string Name { get; set; }

}
class JsonResultMethods
{

public List<jsonresult> M1()
{
List<jsonresult> objList = new List<jsonresult>() { new JsonResult() { Id = 1, Name = "Test" } };
return objList;
}
public List<jsonresult> M2()
{
List<jsonresult> objList = new List<jsonresult>() { new JsonResult() { Id = 19, Name = "Test2" } };
return objList;
}
}

}
Getting Result: [{"Id":1,"Name":"Test"}]
Actual result should be like [{"Id":1,"Name":"Test"},{"Id":19,"Name":"Test2"}]

DGKumar 3-Oct-18 5:28am

I want json data like below for multiple objects with same class properties.
[{},{},{}]

Member 14153700 27-Apr-20 3:13am

Hi bro.. i am stuck with this now. can you please forward me some code. it will be great help i am trying to implement in asp.net core web api

summiya1 · Answer 2 · 2018-10-01T01:29:00

Solution 1

Do something like this

var finalJson = json.Serialize(classObj);

Posted 1-Oct-18 1:29am

summiya1

Comments

DGKumar 1-Oct-18 7:45am

HI Summiya,

I have to add object individually like below and object should get from different functionality but fields are same.

Emp obj=new Emp();
obj.Id=123,
obj.Name="Test1"
addList(obj);

Emp obj1=new Emp();
obj1.Id=1234,
obj1.Name="Test12"
addList(obj1);
Emp obj2=new Emp();
obj2.Id=12335,
obj2.Name="Test13"
addList(obj2);
Emp obj3=new Emp();
obj3.Id=1233,
obj3.Name="Test14"
addList(obj3);

finally i need to pass all these object with single json object to API.
API should get this type of result.
[
{
"Id": "John",
"Name": "US"
},
{
"Id": "John",
"Name": "US"
},
{
"Id": "John",
"Name": "US"
},
{
"Id": "John",
"Name": "US"
}
]

The below link is getting from jquery level but i want to implement at business logic level
http://www.binaryintellect.net/articles/bfbda4a5-17ba-4820-824a-4a25373379a1.aspx