php获取id以删除记录

PHP初学者在线：）。 我有两个文件（viewKands.php-listing records和izbrisi.php-s）用于从数据库中删除记录。我尝试从db（upisi）中删除记录。但运气不好。 这是密码…我的错在哪里

viewKands.php:

 $kon = mysqli_connect("localhost", "root", "", "upisi");
        $kon->set_charset("utf8");

        if (mysqli_connect_error()) {
            echo "Greska pri konekcija so baza: " . mysql_error();
        }
$sqlView = "SELECT idPrijava,brPrijava,jazik,struka,profil,imeKand,tatIme,"
                . "prezKand from tblprijava ";
        $result = mysqli_query($kon, $sqlView);
        $rBr = 1;
while ($rowV = $result->fetch_assoc()) {
                $id = $rowV["idPrijava"];
  echo "<tr><td>" . $rBr . "</td><td>" . $rowV["brPrijava"] . "</td><td>" . $rowV["jazik"] . "</td><td>" . $rowV["struka"] .
                "</td><td>" . $rowV["profil"] . "</td><td>" . $rowV["imeKand"] . " " . $rowV["tatIme"] . " " . $rowV["prezKand"] .
                "</td><td><a href='uredi.php'>Уреди</a></td>" . " <td><a href='izbrisi.php?id=$id'>X</a></td>" . "</td></tr>";
                $rBr++;
            }

---

将代码更改为izbrisi.php

$delkon = mysqli_connect("localhost", "root","","upisi");
$delkon->set_charset("utf8");
if (isset($_GET["id"]) != "") {
    $delete = $_GET["id"];
    $dqry = "DELETE FROM tblprijava WHERE idPrijava='$delete'";
    $delete = mysqli_query($delkon, $dqry);

    if ($delkon->query($dqry) === TRUE) {
        header("Location:viewKands.php");
    } else {
        echo mysqli_error($delete);
    }
} else {
    echo "ID error";
}
$delkon->close();

---

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$delkon = mysqli_connect("localhost", "root","","upisi");
$delkon->set_charset("utf8");
if (isset($_GET["id"]) != "") {
    $delete = $_GET["id"];
    $dqry = "DELETE FROM tblprijava WHERE idPrijava='$delete'";
    $delete = mysqli_query($delkon, $dqry);

    if ($delkon->query($dqry) === TRUE) {
        header("Location:viewKands.php");
    } else {
        echo mysqli_error($delete);
    }
} else {
    echo "ID error";
}
$delkon->close();