unable to delete data in table using sql - php

Question

I am trying to delete row from table.
Table name is username of user (which user logged in )
delete page is here
require('db.php');
if(isset($_POST["deletebtn"])){
$x = $_SESSION['username'];
$id=$_POST["statusid"];
$row=$conn->query("select id from $x where id='$id'");
if ($conn->query($row) === TRUE) {
$sql = "delete from $x where id ='$id'";
// echo 'success';
header( "Refresh:3; url=admin2.php", true, 303);
}else{
echo "not";
}
}
and here is my content code
$sql = "SELECT id,date,status FROM $x order by id DESC;";
$result = $conn->query($sql);
if ($result->num_rows > 0) {
// output data of each row
while($row = $result->fetch_assoc()) {
$id = $row['id'];
echo "<div class='border'> ";
echo "";
echo "<form action='deletepage.php?action=$id'>";
echo "<input type='hidden' name='statusid' value='$id' >";
echo "<p> " . $row["status"] ."</p><br>";
echo "<input type='submit' value='delete' class='btn1 pull-right' name='deletebtn'> ";
echo "<a class=' btn1 pull-right' href='#'>edit </a>";
echo "<small> " . $row["date"]. "</small><br>";
echo "</form>";
echo "</div>";
}
} else {............}

Answer 1

You are not executing query on the sql
$sql = "delete from $x where id ='$id'";
Execute it like
$del= $conn->query($sql);
After the query

Answer 2

You forgot to execute query
require'db.php';
if(isset($_POST["deletebtn"])){
$x = $_SESSION['username'];
$id=$_POST["statusid"];
$row="select id from $x where id='$id'"; //<---remove query execution from here
if ($conn->query($row) === TRUE) {
$sql = "delete from $x where id ='$id'";
$conn->query($sql); //<-------- Add this line
// echo 'success';
header( "Refresh:3; url=admin2.php", true, 303);
}else{
echo "not";
}
}

Answer 3

There are several problems with your code.
there is no query execute for delete query.(which you may be solved later)
in your while loop you put $conn->query ($row) which is wrong. $row is not a query... It is the result set return from previous query.
and lastly $conn->query does not return true in SELECT, SHOW, DESCRIBE or EXPLAIN query. Check php manual

Answer 4

Change this
$sql = "delete from $x where id ='$id
To$sql = "delete from $table where id ='$sessionid'