Library_Management_System/update_book.php at main · FAHIM2031/Library_Management_System · GitHub

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<?php
$conn = mysqli_connect("localhost","root","","project");
if (!$conn) {
    die("Connection failed: " . mysqli_connect_error());
}
$b_id=$_GET['u_id'];
$sql="select * from book where b_id='$b_id'";
$query=mysqli_query($conn,$sql);

$row=mysqli_fetch_assoc($query);

if(isset($_POST['Update']))
{
   $b_id=$_GET['u_id'];
   $b_name=$_POST['b_name'];
   $b_author=$_POST['b_author'];
   $quantity=$_POST['quantity'];

   $update_query="update book set b_name='$b_name',b_author='$b_author',quantity=$quantity where b_id='$b_id'";
   $data=mysqli_query($conn,$update_query);

   if($data)
   {
    header("location:book.php");
   }
   else
   {
     die("Connection failed: " . mysqli_connect_error());
   }


}

?>


<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Book Details Form</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: rgb(106, 128, 118);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }

        .form-container {
            background-color: rgb(213, 224, 220);
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            padding: 30px;
            width: 100%;
            max-width: 500px;
        }

        .form-title {
            font-size: 24px;
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 25px;
            text-align: center;
            padding-bottom: 10px;
            border-bottom: 2px solid #eee;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 16px;
            color: #3b3a3a;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-group input {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 6px;
            font-size: 16px;
            transition: border-color 0.3s;
        }

        .form-group input:focus {
            outline: none;
            border-color: #3498db;
            box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
        }

        .form-actions {
            display: flex;
            justify-content: space-between;
            margin-top: 30px;
        }

        .btn {
            padding: 12px 25px;
            border: none;
            border-radius: 6px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-add {
            background-color: #548db5;
            color: white;
        }

        .btn-add:hover {
            background-color: #27ae60;
        }

        .btn-update {
            background-color: #3498db;
            color: white;
        }

        .btn-update:hover {
            background-color: #2980b9;
        }

        .btn-delete {
            background-color: #e74c3c;
            color: white;
        }

        .btn-delete:hover {
            background-color: #c0392b;
        }
    </style>
</head>
<body>
    <div class="form-container">
        <h2 class="form-title"><b>Upade Book Details</b></h2>

       <form action="#" method="post">
        <div class="form-group">
            <label for="book-name"><b>Book Name</b></label>
            <input type="text" id="book-name" placeholder="Enter the Book name.." name="b_name" value="<?php echo $row['b_name'] ?>" >
        </div>

        <div class="form-group">
            <label for="author-name"><b>Author Name</b></label>
            <input type="text" id="author-name" placeholder="Enter the Author name.." name="b_author" value="<?php echo $row['b_author'] ?>">
        </div>

        <div class="form-group">
            <label for="quantity"><b>Quantity</b></label>
            <input type="text" id="quantity" placeholder="Enter the quantity.." name="quantity" value="<?php echo $row['quantity'] ?>">
        </div>

        <div class="form-actions">
            <input type="submit" name="Update" value="Update" style="position: relative;margin-left: 150px;width:150px; height:30px;color: rgb(0, 0, 0);background-color: #89b8d7;font-size: 18px;">

        </div>
       </form>
    </div>
</body>
</html>