kristow,
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<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.0/jquery.min.js"></script>
<script>
$(document).ready(function () {
$(document).on('change', 'input[type=radio]', function(){
alert(this.id);
});
});
</script>
</head>
<body>
<table>
<tr class="odd">
<td class=" sorting_1"><input type="radio" name="id_dev" id="dev856P1" value="856">
<label for="dev856P1">Объект 1</label></td>
<td class=" "><label for="dev856P1">Новый район</label></td>
<td class=" "><label for="dev856P1">Иванов</label></td>
<td class=" "><label for="dev856P1">14.03.2016</label></td>
<td class=" "><label for="dev856P1">12983</label></td>
<td class=" "><label for="dev856P1">123456</label></td>
</tr>
<tr class="odd">
<td class=" sorting_1"><input type="radio" name="id_dev" id="dev856P2" value="856">
<label for="dev856P1">Объект 2</label></td>
<td class=" "><label for="dev856P2">Старый район</label></td>
<td class=" "><label for="dev856P2">Петров</label></td>
<td class=" "><label for="dev856P2">15.03.2016</label></td>
<td class=" "><label for="dev856P2">54321</label></td>
<td class=" "><label for="dev856P2">654321</label></td>
</tr>
</table>
</body>
</html>