How to get some values from a JSON string in C#?

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using Newtonsoft.Json;

public partial class Myfoodwarehouse_Default3 : System.Web.UI.Page
{




protected void Page_Load(object sender, EventArgs e)
{
string jsonContent = @"{
""Amount"": 167,
""CardNumber"": ""0095"",
""MerchantReference"": ""7654325"",
""PaymentReference"": ""FBN|WEB|WEBP|3-02-2016|170619"",
""RetrievalReferenceNumber"": ""000000088836"",
""LeadBankCbnCode"": null,
""LeadBankName"": null,
""SplitAccounts"": [],
""TransactionDate"": ""2016-02-03T16:41:43.923"",
""ResponseCode"": ""00"",
""ResponseDescription"": ""Approved Successful""
}";

var response = JsonConvert.DeserializeObject(jsonContent);

var amt = response.Amount;
var vv = response.CardNumber;
Response.Write(amt);
Response.Write(vv);
Console.ReadLine();
}

public class TransactionResponse
{
public long Amount { get; set; }
public String CardNumber { get; set; }
public String MerchantReference { get; set; }
}

}

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Threading.Tasks;  The type or namespace name 'Tasks' does not exist in the namespace 'System.Threading' (are you missing an assembly reference?)
using Newtonsoft.Json;

public partial class Myfoodwarehouse_Default3 : System.Web.UI.Page
{


public static void Main(string[] args)
{
String json = @"{'Amount':16700000,'CardNumber':'0095','MerchantReference':'7654325'}";
Transaction t = JsonConvert.DeserializeObject(json);
Response.Write(t.CardNumber);
Console.WriteLine(t.Amount);
Console.WriteLine(t.MerchantReference);
Console.ReadLine();
}

public class Transaction
{
public long Amount { get; set; }
public String CardNumber { get; set; }
public String MerchantReference { get; set; }
}

}

 

 

Tom what  i am coding for is a website and not a application ,however when  i remove using System.Threading.Tasks; it works but nothing is displayed.Thank You

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Web.Script.Serialization;
using Newtonsoft.Json;
using System.Net.Http;


public partial class gg_Default2 : System.Web.UI.Page
{



public class Transaction
{
public Long Amount {get; set;}
public String CardNumber {get; set;}
public String MerchantReference {get; set;}
}
String json = @"{'Amount':16700000,'CardNumber':'0095','MerchantReference':'7654325'}";
Transaction t = Json.JsonConvert.DeserializeObject(json);
Console.WriteLine(t.CardNumber); - error on this line -invalid token '(' in class, struct, or interface member declaration
Console.WriteLine(t.Amount);
Console.WriteLine(t.MerchantReference);

protected void Page_Load(object sender, EventArgs e)
{

}

}
Help  please

Please go through the following links.


http://stackoverflow.com/questions/18242429/how-to-deserialize-json-data

http://www.newtonsoft.com/json/help/html/deserializeobject.htm