QUrl serviceUrl = QUrl("http://testcom");
QByteArray postData;
postData.append("request=userdata&");
postData.append("user=myusername&");
postData.append("password=mypasswod");
// Call the webservice
QNetworkAccessManager *manager = new QNetworkAccessManager(this);
//QNetworkRequest::setHeader();
QNetworkRequest request(serviceUrl);
request.setHeader(QNetworkRequest::ContentTypeHeader, QVariant(
QString("text/xml")));
connect(manager, SIGNAL(finished(QNetworkReply*)), this,
SLOT(serviceRequestFinished(QNetworkReply*)));
manager->post(request, postData);