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POHTML form with 2 (hidden) submit buttons and 1 other hidden input
 

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  1. POHTML form with 2 (hidden) submit buttons and 1 other hidden input
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    <p>I'm trying to build this application that runs on Android tablets with barcode scanners attached. The barcode scanners send an Enter after each scanned code.</p> <p>I need to scan 2 barcodes and submit the form.</p> <p>I created a form with two sets of input + submit button, the second one hidden. After the first barcode is scanned and the scnner send the Enter key, the hidden elements are revealed and I can scan the second barcode. However, the second time the Enter key doesn't work. It only work if I push the button (after I unhide it). How can I take care of this so it will not need user input (other than scanning barcodes)?</p> <p>Here's my code so far:</p> <pre><code> &lt;form action="barcode.php" method="post" class="pure-form" style="width:100%"&gt; &lt;fieldset&gt; &lt;legend&gt;Scaneaza o fisa noua de &lt;?php echo $operation; ?&gt;:&lt;/legend&gt; &lt;input type="text" name="barcode" autofocus id="InputID" placeholder="Codul de bare" style="width:100%;font-size:2em"&gt; &lt;button style="width:0;visibility:hidden;" type="submit" onclick="show_popup('my_popup'); return false;"&gt;&lt;/button&gt; &lt;div id="my_popup" style="display:none;border:3px dotted gray;padding:.3em;background-color:white;position:absolute;width:80%;height:20%;margin:-50px 50px 0 50px;"&gt; &lt;legend&gt;Introdu numarul de KO-uri:&lt;/legend&gt; &lt;input type="text" name="kos" autofocus id="InputID" placeholder="KO-uri" style="width:100%;font-size:2em"&gt; &lt;button type="submit" class="pure-button pure-button-primary" style="/*width:0;visibility:hidden;*/" onclick="hide_popup('my_popup'); return true;"&gt;Trimite&lt;/button&gt; &lt;/div&gt; &lt;/fieldset&gt; &lt;/form&gt; &lt;script type="text/javascript"&gt; function FocusOnInput() { document.getElementById("InputID").focus(); } function show_popup(id) { if (document.getElementById){ obj = document.getElementById(id); if (obj.style.display == "none") { obj.style.display = ""; } } } function hide_popup(id){ if (document.getElementById){ obj = document.getElementById(id); if (obj.style.display == ""){ obj.style.display = "none"; } } } &lt;/script&gt; </code></pre> <p>And the barcode.php file:</p> <pre><code> &lt;?php ob_start(); mysql_connect ("localhost","root","root") or die (mysql_error()); mysql_select_db ("eficacitate"); $barcode = $_POST["barcode"]; $kos = $_POST["kos"]; $marca = $_COOKIE["marca"]; $operation = $_COOKIE["operation"]; if (substr($barcode,0,1)=="^") { $j_nou = substr($barcode,1,strpos($barcode, "|")-1); $parts = explode('|',$barcode); $of_nou = $parts[1]; $cantitate_nou = $parts[2]; $serie_nou = $parts[3]; $adauga="INSERT INTO master (marca, operation,j,of,cantitate,serie,kos) VALUES ('$marca','$operation','$j_nou','$of_nou','$cantitate_nou','$serie_nou','$kos')"; mysql_query($adauga); } header('Location: /eficacitate/scan.php'); ob_flush(); ?&gt; </code></pre>
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    1. USIulian Dita
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      1. VTDownMod
    1. COID's need to be unique, so that might be the cause of your problem.
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    2. COWhat IDs are you talking about? The InputID has no influence, and "my_popup" is only used once.
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      1. POHTML form with 2 (hidden) submit buttons and 1 other hidden input
      1. USIulian Dita
 

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