Ajax with Handler in ASP.Net

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C#

ASP.NET

Ajax

handler

Hi,
i'm getting error from this Code.
i'm not getting the context.Request value. it will return null.
ajax always return Error function only.
How to solve this!

$.ajax({
type: "POST",
url: "Handler/Handler.ashx",
data: {TextOne:'Test',TextTwo:'Testing'},
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (result) {alert("Success : "+result);},
error: function (err) {alert("Error : "+err);}
});

<%@ WebHandler Language="C#" Class="Handler" %>
using System;
using System.Web;
public class Handler : IHttpHandler {
 public void ProcessRequest (HttpContext context) {
  string Data1 = context.Request["Test"];
  string Data2 = context.Request["Testing"];
  if(Data1 == Data2)
    context.Response.Write("Success Message");
  else
    context.Response.Write("Success Message");
}
 
public bool IsReusable {
 get {
  return false;
  }
 }
}

Please identity the mistake.