How can I show company_name in update_page which saved in brand table?
<form class="form-horizontal" action="brand_update.php?id=<?php echo $id?>" method="post">
<div class="control-group <?php echo !empty($brand_nameError)?'error':'';?>">
<label class="control-label">Brand </label>
<div class="controls">
<input name="brand_name" type="text" placeholder="Brand Name" value="<?php echo !empty($brand_name)?$brand_name:'';?>">
<?php if (!empty($brand_nameError)): ?>
<span class="help-inline"><?php echo $brand_nameError;?></span>
<?php endif; ?>
</div>
</div>
<div class="control-group <?php echo !empty($company_nameError)?'error':'';?>">
<label class="control-label">Company </label>
<div class="controls">
<?php
$conn = new mysqli('localhost', 'root', '', 'mydb')
or die ('Cannot connect to db');
$result = $conn->query("select company_name from company ORDER BY company_name ASC");
echo "<select name='company_name'>";
while ($row = $result->fetch_assoc()) {
unset( $company_name);
$company_name = $row['company_name'];
echo '<option>'.$company_name.'</option>';
echo '<option>'. $row['company_name'].'</option>';
echo '<option value="'.$company_name.'">'.$company_name.'</option>';
}
echo "</select>";
?>
</div>
</div>
<div class="control-group <?php echo !empty($noteError)?'error':'';?>">
<label class="control-label">Note</label>
<div class="controls">
<input name="note" type="text" placeholder="Note" value="<?php echo !empty($note)?$note:'';?>">
<?php if (!empty($noteError)): ?>
<span class="help-inline"><?php echo $noteError;?></span>
<?php endif;?>
</div>
</div>
<div class="form-actions">
<button type="submit" class="btn btn-success">Save</button>
<a class="btn" href="brand.php">Back</a>
</div>
</form>