ส่วน โค้ด ของ Jquery
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<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
var id = document.getElementById("id").value;
$('#add-row').click(function(){
var str = "";
$("#select option:selected").each(function () {
str = $(this).text();
//alert(str);
});
var tr = $('<tr width="343" id="row'+id+'">#</tr>');
var td1 = $('<td width="83"><input type="hidden" name="branch_id[]" id="branch_id[]" value="'+$('#select').val() +'"/></td>');
var td2 = $('<td width="253">'+str+'</td>');
var td3 = $('<td><a href="#" onClick="removeFormField(\'#row'+id+'\'); return false;">Remove</a></td>');
tr.append(td1);
tr.append(td2);
tr.append(td3);
$('#tbl-product').append(tr);
id = (id - 1) + 2;
document.getElementById("id").value = id;
});
$("#delete-row").click(function(){
if($("#tbl-product tr").size()>1){
$("#tbl-product tr:last").remove();
}else{
alert("Have Mor 1 !");
}
});
})
function removeFormField(id) {
$(id).remove();
}
</script>
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ส่วนที่ทดลองใช้งาน
<?php if(empty($_POST)){ ?>
<input type="hidden" id="id" value="1">
<form id="form1" name="form1" method="post" action="">
<table width="348" id="tbl-product">
<tr id="firstTr">
<th width="83">ID</th>
<th width="253">product</th>
<th width="253">Â </th>
</tr>
</table>
<table width="348" border="0" cellspacing="0" cellpadding="0">
<tr>
<td width="68"><input type="button" name="add-row" id="add-row" value="ADD" /></td>
<td width="69"><input type="button" name="delete-row" id="delete-row" value="DELETE" /></td>
<td width="211">
<select name="select" id="select">
<option value="1">test 1</option>
<option value="2">test 2 </option>
<option value="3">test 3 </option>
<option value="4">test 4</option>
<option value="5">test 5</option>
</select>
</td>
</tr>
</table>
<input type="submit" name="button" id="button" value="Submit" />
</form>
<?php } else { ?>
<?php
print_r($_POST['branch_id']);
?>
<?php } ?>