Alterar dados numa tabela (quando botão carregado)

<input type=radio name=sol value=n >Unsolve      <input type=radio name=sol value=s >Solve
echo "<center><button type=button onclick=self.close()>Close</button>
<button type=submit name=submit>Save and close</button></center>";

if(isset($_REQUEST['submit'])){

$answer = $_POST['sol'];
if ($answer == "n") {
$sql = "UPDATE problemas SET Comment='" . $_POST["comm"] . "', Solve='n' WHERE ID='$id'";
}      
else if ($answer == "s"){
$sql = "UPDATE problemas SET Comment='" . $_POST["comm"] . "', Solve='s' WHERE ID='$id'";
}

if ($connect->query($sql) === TRUE) {
echo "New record created successfully";
} else {
echo "Error: " . $sql . "<br>" . $connect->error;
}

}
$connect->close();