public String receipt()
{
ReportService rs = new ReportService();
List<order> orderList = rs.getOrderYesterday();
String html ="";
foreach(order o in orderList)
{
html += "<tr>";
html += "<td>"+ o.user_id +"</td>";
html += "<td>"+ o.user.user_name +"</td>";
html += "<td>"+ o.flight.flight_name +"</td>";
html += "<td>"+ o.payment +"</td>";
html += "</tr>";
}
return html;
}
