Не работает sql update [требует правки]

    if (isset($_POST['submit'])) { 
        $titleHome = $_POST['titleHome']; 
        $subtitle = $_POST['subtitle']; 
        $contacts = $_POST['contacts']; 
        $topLine = $_POST['topLine']; 
        $email = $_POST['email']; 
 
        $sql = "UPDATE page SET titleHome=:titleHome, subtitle=:subtitle, contacts=:contacts, topLine=:topLine, email=:email"; 
        $query = $dbh->prepare($sql); 
 
        $query->bindParam(':titleHome', $titleHome, PDO::PARAM_STR); 
        $query->bindParam(':subtitle', $subtitle, PDO::PARAM_STR); 
        $query->bindParam(':contacts', $contacts, PDO::PARAM_STR); 
        $query->bindParam(':topLine', $topLine, PDO::PARAM_STR); 
        $query->bindParam(':email', $email, PDO::PARAM_STR); 
 
        $query->execute(); 
 
        $msg = "Date updated"; 
 
 
    } 
     
     
                                <?php 
                                        $sql = "SELECT * FROM page "; 
                                        $query = $dbh->prepare($sql); 
                                        $query->bindParam(':id', $id, PDO::PARAM_STR); 
                                        $query->execute(); 
                                        $results = $query->fetchAll(PDO::FETCH_OBJ); 
                                        $cnt = 1; 
                                        if ($query->rowCount() > 0) 
                                        { 
                                            foreach ($results as $product) 
                                            { 
                                        ?> 
 
                                        <form method="post" class="form-horizontal" enctype="multipart/form-data"> 
                                            <div class="form-group"> 
                                                <label class="col-sm-2 control-label"> 
                                                    <?=$product->name?> 
                                                </label> 
                                                <div class="col-sm-10"> 
                                                    <textarea rows="6" type="text" name="title" class="form-control"> 
                                                        <?=$product->value?> 
                                                    </textarea> 
                                                </div> 
                                            </div> 
                                            <?}} 
                                        ?> 
 
                                            <div class="form-group"> 
                                                <div class="col-sm-8 col-sm-offset-2"> 
 
                                                    <button class="btn btn-primary" name="submit" 
                                                            type="submit" style="margin-top:4%">sa                                                    </button> 
                                                </div> 
                                            </div> 
 
                                        </form>