Menampilkan value di form edit menggunakan php native

Assalamualaikum mohon bantuannya master, masalahnya values di setiap form ga muncul

<?php
include '../template/header.php';
// $sql = mysql_query("SELECT * FROM tbl_kategori_event");
?>
     <div class="col-md-12">
        <div class="portlet box green">
            <div class="portlet-title">
                <div class="caption">
                    <i class="fa fa-gift"></i> Edit Event Activity</div>
                <div class="tools">
                    <a href="" class="collapse"> </a>
                    <a href="#portlet-config" data-toggle="modal" class="config"> </a>
                    <a href="" class="reload"> </a>
                    <a href="" class="remove"> </a>
                </div>
            </div>
                <?php
                    include"../database/koneksi.php";

                   $id_event = (int) $_GET['id_event'];

                    $sql = "select * from tbl_event p inner join tbl_kategori_event b on p.id_event=b.id_kategori where p.id_event='$id_event'";

                    $result = mysql_query($sql);

                    $data = mysql_fetch_assoc($result);

                ?>
            <div class="portlet-body form">
                <form action="../proses/edit_event.php?id_event=<?= $data['id_event'] ?>" method="POST" enctype="multipart/form-data" class="form-horizontal" role="form">
                    <div class="form-body">
                        <div class="form-group">
                            <label class="col-md-2 control-label">Nama Event</label>
                            <div class="col-md-6">
                                <select class="form-control input-lg" name="id_kategori">
                                    <option value="">Pilih Nama Kategori Event</option>
                                    <?php
                                        while ($data = mysql_fetch_assoc($data)) { ?>
                                            <option value="<?=$data['id_kategori'] ?>"><?=$data['nama_kategori'] ?></option>
                                       <?php }
                                    ?>
                                </select>
                                <span class="help-block"></span>
                            </div>
                        </div>

                        <div class="form-group">
                            <label class="col-md-2 control-label">Program</label>
                            <div class="col-md-6">
                                <textarea class="form-control input-lg" type="text" name="program" value="<?= $data['program'] ?>" rows="3"></textarea></div>
                        </div>

                         <div class="form-group">
                            <label class="col-md-2 control-label">Deliverable</label>
                            <div class="col-md-6">
                                <textarea class="form-control input-lg" type="text" name="deliverable" value="<?= $data['deliverable'] ?>" rows="3"></textarea></div>
                        </div>

                        <div class="form-group">
                            <label class="col-md-2 control-label">Target</label>
                            <div class="col-md-6">
                                <input type="text" name="target" value="<?= $data['target'] ?>" class="form-control input-lg" placeholder="target"> </div>
                        </div>

                        <div class="form-group">
                            <label class="col-md-2 control-label">Realisasi</label>
                            <div class="col-md-6">
                                <input type="text" name="realisasi" value="<?= $data['realisasi'] ?>" class="form-control input-lg" placeholder="Realisasi"> </div>
                        </div>

                        <div class="form-group">
                            <label class="col-md-2 control-label">Prestasi</label>
                            <div class="col-md-6">
                                <input type="text" name="prestasi" value="<?= $data['prestasi'] ?>" class="form-control input-lg" placeholder="Prestasi"> </div>
                        </div>
                        <div class="form-group">
                            <label class="col-md-2 control-label">Progres Status</label>
                            <div class="col-md-6">
                                <select class="form-control input-lg" name="progres_status" value="<?= $data['progres_status'] ?>">
                                    <option value="">Pilih Progres Status</option>
                                    <option value="On Progres">On Progres</option>
                                    <option value="Close"> Close</option>
                                </select>
                            </div>
                        </div>
                    </div>
                    <div class="form-actions right1">
                        <a href="data_program.php" type="button" class="btn red">Batal</a>
                        <button type="submit" class="btn green">Simpan</button>
                    </div>
                </form>
            </div>
        </div>
    </div>
<?php
include '../template/footer.php';
?>