Library_Management_System/update_student.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'];
$sql="select * from students where s_id='$b_id'";
$query=mysqli_query($conn,$sql);

$row=mysqli_fetch_assoc($query);

if(isset($_POST['Update']))
{
  $b_id=$_GET['u_id'];
  $name=$_POST['Full_Name'];
  $email=$_POST['Email'];
  $batch=$_POST['Batch'];
  $phone_number=$_POST['Phone_Number'];
  $hall=$_POST['Hall'];
  $gender=$_POST['Gender'];

   $update_query="update students set Full_Name='$name',Batch='$batch',Email='$email',Phone_Number='$phone_number',Hall='$hall',Gender='$gender' where s_id='$b_id'";
   $data=mysqli_query($conn,$update_query);

   if($data)
   {
    header("location:student.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>Update Book Details</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            max-width: 600px;
            margin: 0 auto;
            padding: 20px;
            color: #333;
            background-color: antiquewhite;
        }

        h1 {
            color: #2c3e50;
            border-bottom: 2px solid #3498db;
            padding-bottom: 10px;
        }

        h2 {
            color: rgb(35, 35, 174)

        }

        hr {
            border: 0;
            height: 1px;
            background: #ddd;
            margin: 20px 0;
        }

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

        label {
            display: block;
            margin-bottom: 5px;
            font-weight: bold;
        }

        input[type="text"],
        input[type="number"] {
            width: 100%;
            padding: 8px;
            border: 1px solid #ddd;
            border-radius: 4px;
            box-sizing: border-box;
        }

        button {
            background-color: #3498db;
            color: white;
            border: none;
            padding: 10px 15px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
        }

        button:hover {
            background-color: #2980b9;
        }

        .quantity-section {
            margin-top: 30px;
        }
    </style>
</head>
<body style="background-color:rgb(222, 233, 240);">
    <h1>Update Student Details</h1>

    <form action="#" method="post">
    <div class="form-group">
        <h2 style="color: #2c3e50;">Full Name</h2>
        <input type="text" id="authorName" placeholder="Enter full name" name="Full_Name" value="<?php echo $row['Full_Name'] ?>">
    </div>

    <div class="form-group ">
        <h2 style="color: #2c3e50;">Department & Batch</h2>
        <input type="text" id="authorName" placeholder="Enter department & batch" name="Batch" value="<?php echo $row['Batch'] ?>">
    </div>

    <div class="form-group">
        <h2 style="color: #2c3e50;">E-mail</h2>
        <input type="text" id="authorName" placeholder="Enter e-mail" name="Email" value="<?php echo $row['Email'] ?>">
    </div>

    <div class="form-group">
        <h2 style="color: #2c3e50;">Phone Number</h2>
        <input type="text" id="authorName" placeholder="Enter phone number" name="Phone_Number" value="<?php echo $row['Phone_Number'] ?>">
    </div>

    <div class="form-group">
        <h2 style="color: #2c3e50;">Hall</h2>
        <input type="text" id="authorName" placeholder="Enter hall" name="Hall" value="<?php echo $row['Hall'] ?>">
    </div>

    <div class="form-group">
        <h2 style="color: #2c3e50;">Gender</h2>
        <input type="text" id="authorName" placeholder="Enter gender" name="Gender" value="<?php echo $row['Gender'] ?>">
    </div>


    <div class="form-actions">
            <input type="submit" name="Update" value="Update" style="position: relative;width:150px; height:30px;color: rgb(0, 0, 0);background-color: #89b8d7;font-size: 18px;">
            <div style="width:60px;height:30px;border:2px solid black;background-color: #89b8d7;text-align:center;font-size:20px; margin:relative; margin-left: 535px;margin-top:-35px;height:25px "><a href="homepage.php" style="text-decoration: none;color:black;"><span style="color: black;">Back</span></a></div>
        <!-- <div><a>Back</a></div>
        </div>
      </form>

</body>
</html>