应该删除记录的查询不起作用（php）

Question

I've been trying to delete a record in HTML/PHP but it didn't work and I've tried a lot. Does anyone know a solution for me?

 <?php while($row=mysqli_fetch_assoc($result)){ ?>

<a href="delete.php?id=<?php echo $row['project_id']; ?>Delete</a>

<?php
    }?>

And this is delete.php:

<?php
$id = $_GET['titel'];


$sql = "DELETE FROM Projects where titel= '".$id."'";
if(mysqli_query($dbLink,$sql)){

    echo "<p>It is failed!</p>";
}
else{
    echo "<p>Deleting is succesful done!</p>";}

?>

Answer 1

Please find below the updated code. Kindly use delete on particular row id as title or any other field may create some issue.

<a href="delete.php?project_id=<?php echo $row['project_id']; ?>Delete</a>

<?php
    }?>

And this is delete.php:

<?php
$id = $_GET['project_id'];


$sql = "DELETE FROM Projects where project_id= '".$id."'";
if(mysqli_query($dbLink,$sql)){

    echo "<p>It is failed!</p>";
}
else{
    echo "<p>Deleting is succesful done!</p>";}

?>

Answer 2

You're trying to $_GET['titel']; but what you're meant to get is $_GET['id'];

Either change it to id , or change your a link to:

<a href="delete.php?titel=<?php echo $row['project_id']; ?>Delete</a>

What you should do then, in your delete.php file, is change your $sql to:

$sql = "DELETE FROM Projects where id= '".$id."'";

Also ensure $dbLink is set in delete.php .

Answer 3

Your $_GET will not work as you are sending id in your query string. Try the following in delete.php

$id = $_GET['id'];