form_produk.php untuk htmlnya

<?php

include "secure/connect.php";
$key = "";
$mysqlcomm = "SELECT md5(now())";
$st = mysqli_query($id_mysql,$mysqlcomm);
while ($row = mysqli_fetch_row($st)) {
    $key = $row[0];
}

if(isset($_GET['action']) && $_GET['action'] == "getmerk") {
    $kode_kategori = $_GET['kode_kategori'];

    $query = "SELECT kode_merk, nama_merk FROM merk WHERE kode_kategori='$kode_kategori' ORDER BY nama_merk ";
    $sql = mysqli_query($id_mysql, $query);
    $arrmerk = array();
    while ($row = mysqli_fetch_assoc($sql)) {
        array_push($arrmerk, $row);
    }
    echo json_encode($arrmerk);
    exit;

}

?>
<div class="row page-titles">
    <div class="col-md-5 align-self-center">
        <h3 class="text-primary">Add Product</h3>
    </div>
    <div class="col-md-7 align-self-center">
        <ol class="breadcrumb">
            <li class="breadcrumb-item"><a href="Main.php">Home</a></li>
            <li class="breadcrumb-item active">Add Product</li>
        </ol>
    </div>
</div>

<div class="row justify-content-center">
    <div class="col-lg-8">
        <div class="card">
            <div class="card-body">
                <div class="form-validation">
                    <form class="form-valide" action="pageproses/add_produk" method="post"  enctype="multipart/form-data">
                        <!-- field Kode Kategori -->
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Code Product <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required id="kode_produk" name="kode_produk" required>
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label">Product Name <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required name="nama_produk" id="nama_produk">
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Unit <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required id="satuan" name="satuan">
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Size <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required id="ukuran" name="ukuran">
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Minimal Product <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required id="minimal_produk" name="minimal_produk" >
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Purchase Price <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="text" class="form-control" required id="harga_pembelian" name="harga_pembelian">
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Date <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <input type="date" class="form-control" required id="tanggal" name="tanggal">
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Category Code <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <select class="form-control" id="kategori" name="kode_kategori" onchange="LoadMerek()">
                                    <option value="">Select</option>
                                    <?php
                                    include "secure/connect.php";
                                    $mysqlcomm="SELECT kode_kategori, nama_kategori FROM kategori where status = '+' ORDER BY nama_kategori ";
                                    $urut=1;
                                    //
                                    $st=mysqli_query($id_mysql,$mysqlcomm);
                                    while ($row=mysqli_fetch_row($st))
                                    {
                                        ?>
                                        <option value="<?php echo $row[0]; ?>"><?php echo $row[1]; ?></option>
                                    <?php } ?>
                                </select>
                            </div>
                        </div>
                        <div id="divloadmerk">
                            <div class="form-group row">
                                <label class="col-lg-4 col-form-label" for="val-username">Brand Code <span class="text-danger">*</span></label>
                                <div class="col-lg-6">
                                    <select class="form-control" id="kode_merk" name="kode_merk" required>
                                        <option value="" required>Select</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                        <div class="form-group row">
                            <label class="col-lg-4 col-form-label" for="val-username">Supplier Name <span class="text-danger">*</span></label>
                            <div class="col-lg-6">
                                <select class="form-control" id="kode_supplier" name="kode_supplier" required>
                                    <option value="" required>Select</option>
                                    <?php
                                    include "secure/connect.php";
                                    $mysqlcomm="SELECT kode_supplier,nama_supplier FROM supplier where status='+'";
                                    $urut=1;
                                    $st=mysqli_query($id_mysql,$mysqlcomm);
                                    while ($row=mysqli_fetch_row($st))
                                    {
                                       ?>
                                       <option value="<?php echo $row[0]; ?>"><?php echo $row[1]; ?></option>
                                   <?php } ?>

                               </select>
                           </div>
                       </div>
                       <div class="form-group row">
                        <label class="col-lg-4 col-form-label" for="val-username">Warehouse Name <span class="text-danger">*</span></label>
                        <div class="col-lg-6">
                            <select class="form-control" id="kode_gudang" name="kode_gudang">
                                <option value="">Select</option>
                                <?php
                                include "secure/connect.php";
                                $mysqlcomm="SELECT kode_gudang,nama_gudang FROM warehouse where status='+'";
                                $urut=1;
                                $st=mysqli_query($id_mysql,$mysqlcomm);
                                while ($row=mysqli_fetch_row($st))
                                {
                                   ?>
                                   <option value="<?php echo $row[0]; ?>"><?php echo $row[1]; ?></option>
                               <?php } ?>
                           </select>
                       </div>
                   </div>
                   <div class="form-group row">
                    <label class="col-lg-4 col-form-label" for="val-username">Product Description <span class="text-danger">*</span></label>
                    <div class="col-lg-6">
                        <textarea  rows="5" cols="33%" name="deskripsi_produk" id="deskripsi_produk"></textarea>
                    </div>
                </div>
                    <div class="form-group row">
                        <label class="col-lg-4 col-form-label" >Image <span class="text-danger">*</span></label>
                        <div id="divimgname" style="display:none"> <input type="text" id="imgname" value=""><input type="text" id="txtkey" value="<?php echo $key; ?>"> </div>
                        <div class="col-lg-6">
                            <div class="dropzone dz-clickable" id="file">
                                <div class="dz-default dz-message" data-dz-message="">
                                    <span>Upload photo here</span>
                                </div>
                            </div>
                        </div>
                    </div>
                <hr>
                <button type="button" onclick = "BtnProduk('<?php echo $key; ?>')" class="btn btn-primary m-b-10 m-l-5">Submit</button>
                <button type="button" class="btn btn-primary m-b-10 m-l-5" onclick="window.location.href='data_produk'">Cancel</button>
            </form>
        </div>
        <div id="berhasil"></div>
    </div>
</div>
</div>
</div>