1#@!#!123s

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Filename : update_pdf.php
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<?php include "../config.php"; ?>
        <meta content="width=device-width, initial-scale=1.0" name="viewport">
<?php
// Check if the form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {

    // Retrieve data from the form
    $id = $_POST['id'];
    $bookName = $_POST['book_name'];
    $bookAuthor = $_POST['book_author'];
    $description = $_POST['description'];
    $pdfCategory = $_POST['pdf_category'];

    // Prepare and execute the SQL update statement
    $updateQuery = "UPDATE pdf_books SET book_name = '$bookName', book_author = '$bookAuthor', description = '$description', pdf_category = '$pdfCategory' WHERE id = $id";

    if ($conn->query($updateQuery) === TRUE) {
        echo "Record updated successfully!";

echo "<br>";
echo "<a href='index.php'><button>Go Back</button></a>";
    } else {
        echo "Error updating record: " . $conn->error;
    }

    // Close the database connection
    $conn->close();
} else {
    echo "Invalid request. Please submit the form.";
}
?>