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edit-result.php
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edit-result.php
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<?php
session_start();
if(!isset($_SESSION['login']))
{
header("location:session-expired.php");
}
else
if(!(($_SESSION['login']=="teacher") || ($_SESSION['login']=="admin")))
{
header("location:session-expired.php");
}
else{
?>
<html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Edit result</title>
<link rel="stylesheet" href="home-style.css">
<link rel="stylesheet" href="student-result.css">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500&family=Raleway:wght@400;500&display=swap" rel="stylesheet">
<script src="https://kit.fontawesome.com/eabac940d1.js" crossorigin="anonymous"></script>
</head>
<body>
<!-----------------------------navbar--------------------------->
<div class="nav-container">
<nav class="nav-bar">
<span class="logo" >SVHSS</span>
<div class="links">
<a href="index.php" class="link-text">Home</a>
<a href="index.php#contact" class="link-text">contact</a>
<a href="logout.php" class="link-text">log out</a>
</div>
</nav>
</div>
<!-----------------------------mainsection----------------------->
<div id="result-page">
<a href="students.php"><button class="back-btn" name="back-btn"><i class="fa-solid fa-circle-arrow-left"></i></button></a>
<div class="result-container">
<form action="" method="post" name="form1">
<h3>
<?php echo $_REQUEST['r']; ?>
</h3>
<div class="semester-selection">
<p>Exam Result of </p>
<?php
$sname=$_REQUEST['r'];
$sem=$_REQUEST['s'];
// $_SESSION['sem']="sem_1";
// $sem="sem_1"
?>
<select name="semester" id="semester">
<option value="sem_1" >Semester 1</option>
<option value="sem_2"<?php if($sem=="sem_2"){
echo "selected";} ?>>Semester 2</option>
<!-- <option value="sem3">Semester 3</option> -->
</select>
<span class="get-btn-container"><input type="submit" value="Get Result" class="get-btn" name="getres"> </span>
</form>
</div>
<?php
$con=mysqli_connect("localhost","root","","result_db");
if(!$con)
{
echo "could not connect";
}
// -------------------
if(isset($_REQUEST['getres']))
{
// $_SESSION['sem']=$_REQUEST['semester'];
// $sem=$_REQUEST['semester'];
header("location:edit-result.php?r=".$sname."&s=".$_REQUEST['semester']);
}
$result=mysqli_query($con,"select * from ".$sem." where sname='".$sname."'");
while($row=mysqli_fetch_array($result))
{
?>
<?php
function grade($mark) {
if($mark>=95)
echo "S";
elseif($mark>=85&&$mark<95)
echo "A+";
elseif($mark>=75&&$mark<85)
echo "A";
elseif($mark>=65&&$mark<75)
echo "B+";
elseif($mark>=55&&$mark<65)
echo "B";
elseif($mark>=45&&$mark<55)
echo "C+";
elseif($mark>=35&&$mark<45)
echo "C";
else
echo "<span style='color:red' > Failed </span>";
}
?>
<div class="result-table-container">
<table class="result-table" >
<form action="" method="POST" name="form">
<tr>
<th>Subject</th>
<th>Marks obtained</th>
<th>Max.Marks</th>
<th>Grade</th>
</tr>
<tr>
<td class="sub">C++</td>
<td><input type="number" value="<?php echo $row['mark1'];?>" class="col-text-box" name="m1" min="0" max="100"> </td>
<td><input type="text" value="100" class="col-text-box"readonly></td>
<td><p class="col-text"><?php grade($row['mark1']);?></p></td>
</tr>
<tr>
<td class="sub">Java</td>
<td><input type="number" value="<?php echo $row['mark2'];?>" class="col-text-box" name="m2" min="0" max="100"></td>
<td><input type="text" value="100" class="col-text-box" readonly></td>
<td><p class="col-text"><?php grade($row['mark2']);?></p></td>
</tr>
<tr>
<td class="sub">Linux</td>
<td><input type="number" value="<?php echo $row['mark3'];?>" class="col-text-box" name="m3" min="0" max="100"></td>
<td><input type="text" value="100" class="col-text-box" readonly></td>
<td><p class="col-text"><?php grade($row['mark3']);?></p></td>
</tr>
<tr>
<td class="sub">PHP</td>
<td><input type="number" value="<?php echo $row['mark4'];?>" class="col-text-box" name="m4" min="0" max="100"></td>
<td><input type="text" value="100" class="col-text-box" readonly></td>
<td><p class="col-text"><?php grade($row['mark4']);}?></p></td>
</tr>
</table>
<p class="save-btn-container"><input type="submit" value="Save" name="save"></p>
</div>
</div>
</div>
<?php
$result2=mysqli_query($con,"select * from student_review where sname='".$sname."'");
while($row2=mysqli_fetch_array($result2))
{
?>
<p class="review-heading">REVIEW</p>
<p class="review-box"> <textarea name="review" id="review" cols="70" rows="15"><?php echo $row2['review']?></textarea></p>
</form>
<?php
if(isset($_REQUEST['save']))
{
$s="update ".$sem." set mark1='".$_REQUEST['m1']."',mark2='".$_REQUEST['m2']."',mark3=".$_REQUEST['m3'].",mark4=".$_REQUEST['m4']." where sname='".$sname."'";
$a="update student_review set review='".$_REQUEST['review']."' where sname='".$sname."'";
mysqli_query($con,$s);
mysqli_query($con,$a);
header("location:edit-result.php?r=".$sname."&s=".$_REQUEST['semester']);
mysqli_close($con);
}
?>
<?php
}
}
?>
</body>
</html>