javascript - Dinamic Select hidden input -


i hope explain problem want create form allows dynamically add selections , inputs select retrieve odbc array form this:

<form name="add_name" id="add_name"> <div class="table-responsive"> <table class="table table-bordered" id="dynamic_field"> <tr> <td> <select name="name[]" id="category" class="form-control" width="300px"   onchange="aggiornahidden(this)"> <option value="">seleziona ordine - articolo</option> <?php  echo $popola ?> </select> <input type="hidden" name="sel_value"> <input type="hidden" name="sel_text"> </td> <td> <input type="text" name="quantita[]" placeholder="inserisci quantita" class="form-control name_list" /> </td> <td><button type="button" name="add" id="add" class="btn btn-success">aggiungi riga</button></td> </tr> </table> </div> </form>

this php code:

<?php   $conto='2411000044';   $dsn = 'iseries';     $connessione = odbc_connect("iseries", "utente, "pwd", 2) or die        ("impossibile connettersi " . odbc_errormsg());     if($conto==""){      echo "impossibile trovare il codice artigiano....<br>";    }  else{      $interrogazione ="select a.tipo, a.numero, a.codice, a.descrizione, b.barcode file1 a, file2 b (a.codice=b.codice1) , a.fornitore='".trim($conto)."' order a.codice, a.numero asc";   $risultato = odbc_exec($connessione, $interrogazione);   while (odbc_fetch_row($risultato))   {    $popola .= '<option value="'.odbc_result($risultato,"tipo").'-'.odbc_result($risultato,"numero").'-'.trim(odbc_result($risultato,"codice")).'-'.trim(odbc_result($risultato,"barcode")).'">'.odbc_result($risultato,"tipo").' - '.odbc_result($risultato,"numero").' - '.odbc_result($risultato,"codice").' - '.odbc_result($risultato,"descrizione").'</option>';   }   }   ?>

javascript code:

<script type="text/javascript" language="javascript" >   $(document).ready(function(){   var i=1;   $('#add').click(function(){    i++;   $('#dynamic_field').append('<tr id="row'+i+'"><td><select name="name[]" id="category" class="form-control" width="300px" onchange="aggiornahidden(this)"><option value="">seleziona ordine - articolo</option><?php echo $popola?></select><input type="hidden" name="sel_value"><input type="hidden" name="sel_text"></td><td><input type="text" name="quantita[]" placeholder="inserisci quantita" class="form-control name_list" /></td><td><button type="button" name="remove" id="'+i+'" class="btn btn-danger btn_remove">x</button></td></tr>');     });     $(document).on('click', '.btn_remove', function(){      var button_id = $(this).attr("id");     $('#row'+button_id+'').remove();     });     function aggiornahidden(sel){     var f = document.add_name;    f.sel_value.value = sel.options[sel.selectedindex].value;    f.sel_text.value = sel.options[sel.selectedindex].text;    }   </script>

the first selection adds value hidden input after clicking on "add row" second select populated choosing different value value of hidden input remains blank wrong?


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