hppResponse is not render

[Jey-Vclub]

hello there

after so much of strugle, now the hpp popup opened and there i did enter card details, in jquery, i wrote like below

$.getJSON("pay.json", function (jsonFromRequestEndpoint) {
RealexHpp.setHppUrl("https://pay.sandbox.realexpayments.com/pay");
RealexHpp.lightbox.init("payButtonId", "https://localhost:44397/HPP/HppResponse.aspx", jsonFromRequestEndpoint);
});

before execute i put break point in rxp-hpp.js file at below line

var form = document.createElement("form");
orm.setAttribute("method", "POST");
form.setAttribute("action", merchantUrl);
RealexHpp.lightbox.init("payButtonId", "https://localhost:44397/HPP/HppResponse.aspx", jsonFromRequestEndpoint);
document.body.appendChild(form);
form.submit();

while execute i put break point and seen the hppresponse hidden is created within form tag but, after execution my HppResponse.aspx page doesnt has any such a hidden filed.
I tried in many browsers but, no luck
please let me know what is the problem and why the hidden is not present there?

thanks
jey