Form with get value

Question

I have problem with my form

<form action="index.php?id=fakturysprzedaz" method='GET'>

After when I use some input for my form page address is: "index.php&get=value". I want to get adres some like this "index.php?id=fakturysprzedaz&get=value". Whatis wrong in my form header ?

Answer 1

Add a hidden input field inside your <form>.

<input type='hidden' name='id' value='fakturysprzedaz' >