How delete a row with php in mysql? - php

Question

I have this code and i'm doing a dropdown to people choose what notice they want to delete, but i don't know what is wrong in my code......i'm new..so sorry for my ignorance
PHP code:
<?php
include('configdb.php')
if(isset($_POST['delete']))
{
$query_delete = "DELETE from artigos where idartigos >0";
$resultado_delete = mysqli_query($mysqli,$query_delete) or
die(mysqli_error($mysqli));
if($resultado_delete)
{
echo "
<script language='JavaScript'>
window.alert('Notícia eliminada com sucesso. Clique para voltar à página inicial.')
window.location.href='index.php';
</script>";
}
else
{
echo "
<script language='JavaScript'>
window.alert('Não foi possível apagar a sua notícia. Tente novamente, sff. Clique para voltar à página inicial.')
window.location.href='index.php';
</script>";
}
}
?>
HTML CODE:
<h1>Apagar notícia</h1>
<a>Notícias disponíveis</a><br><br>
<select name="delete" style="width:332px">
<?php echo $artigos; ?>
</select><br><br>
<p>eliminar
<input type="submit" name="submit" id="submit" action= "delete.php" value="delete" />
</p>
This is how it looks:

Answer 1

<form action="delete.php">
<select name="delete">
<option value=" ">blank</option>
<option value=" <?php echo $artigos; ?> "> <?php echo $artigos; ?> </option>
</select>
<input type="submit" value="Submit">
</form>