联系表模式

Question

我在第一种形式中有两个HTML表单我正在添加Id和产品，第二种形式是联系我们表单。我创建了一个列名为ID，产品，名称，电子邮件，移动的表。在第一种形式我添加id和产品，其余的值是NULL，比表单将重定向到联系我们表单我在更新名称，电子邮件，移动..我正在流行更新成功，但当我在数据库中检查没有更新....请帮助我

//insert code



<?php


try{

$product=$_POST['product'];
/*
$product2=$_POST['product2'];
$product3=$_POST['product3'];
*/
    // form data





    //database Connection details
    $servername = "localhost";
    $username = "root";
    $password = "";
    $database="store";
    $error = "";

    $conn=mysql_connect($servername, $username, $password) or die('Connection failed: ' . mysql_error());

    @mysql_select_db($database, $conn) or die("Could not select your database".mysql_error());


        $insertQuery = "Insert into contactus(Id,Product) values('null','$product')";

        $result = mysql_query($insertQuery);




    mysql_close($conn);
    header('Location: /newstore/contact.html');   

}

catch(Exception $e) {
    echo ("<script>alert('Something went terribly wrong. Please try again later.');location.href = ''../index.html';</script>");
    return false;
}

?>

//Update code


    <?php
// Start the session
session_start();
?>


<?php

$_SESSION['user_name1']=$_POST['product'];
try{

    // form data
    $name=$_POST['name'];
    $email=$_POST['email'];
    $mobile=$_POST['mobile'];
    $product=$_SESSION['user_name1'];


    //database Connection details
    $servername = "localhost";
    $username = "root";
    $password = "";
    $database="store";
    $error = "";

    $conn=mysql_connect($servername, $username, $password) or die('Connection failed: ' . mysql_error());

    @mysql_select_db($database, $conn) or die("Could not select your database".mysql_error());
;if ((strlen($name) < 3) or (strlen($email) < 3) or(strlen($mobile) < 3))
{
    echo ("<script>alert('Something went wrong with your data inserted. Please fill the form again.');location.href = '../newstore/index.html';</script>");
}else
{

        //$insertQuery = "Insert into contactus(Id,Name,Email,Mobile,Product) values('null','$name','$email','$mobile','$product')";

       //$UpdateQuery = "update contactus set Name='$name',Email='$email',Mobile='$mobile' where Product='$product' ";


    $UpdateQuery = "update contactus set Name='".$name."',Email='".$email."',Mobile='".$mobile."' where Product='$product' ";

        $result = mysql_query($UpdateQuery);

        if($result){
            echo "<script>alert('Thank You. Your Data Received Succefully.');location.href = '../newstore/index.html';</script>";
        }
        else
        {
           echo "<script>alert('Something went wrong with your data inserted. Please fill the form again.');location.href = '../newstore/index.html';</script>"; 
        }
    }

    mysql_close($conn);
}

catch(Exception $e) {
    echo ("<script>alert('Something went terribly wrong. Please try again later.');location.href = ''../newstore/index.html';</script>");
    return false;
}

?>