Make HTMLForm POST request

[crashtua]

Hello. I dont know how to send HTMLForm POST request request. I have read that i must use

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HTMLForm(
    const HTTPRequest & request,
    std::istream & requestBody
);


constructor to create such form. But i dont know where to get this stream... Can some one give a short example, how to make proper POST requests?

[fbraem]

Use the HTMLForm() constructor and use the write method to send the form to the server ...

[crashtua]

Cant understand why it is not working...
Clientside:

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HTTPClientSession session(uri.getHost(), uri.getPort());
HTTPRequest request(HTTPRequest::HTTP_POST, path, HTTPMessage::HTTP_1_1);
request.setChunkedTransferEncoding(true);
request.setContentType("application/x-www-form-urlencoded");
HTTPResponse response;
doRequest(session, request, response);
...
bool doRequest(Poco::Net::HTTPClientSession& session, Poco::Net::HTTPRequest& request, Poco::Net::HTTPResponse& response)
{
Poco::Net::HTMLForm params;
params.add("method","methodGet");
params.add("1","first arg");
params.write(session.sendRequest(request));
std::istream& rs = session.receiveResponse(response);
StreamCopier::copyStream(rs, std::cout);
if(response.getStatus() == HTTPResponse::HTTPStatus::HTTP_OK)
    return true;
else
    return false;
}


on serverside

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HTMLForm form(request);
int size = form.size();


but size is zero...
What i am doing wrong?

[crashtua]

I found that it is a server problem, Java server receive my request perfectly...