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manage_results.php
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manage_results.php
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="./css/home.css">
<link href="https://fonts.googleapis.com/css?family=Roboto" rel="stylesheet">
<link rel="stylesheet" href="./css/font-awesome-4.7.0/css/font-awesome.css">
<link rel="stylesheet" href="./css/form.css">
<title>Dashboard</title>
</head>
<body>
<div class="title">
<a href="dashboard.php"><img src="./images/logo1.png" alt="" class="logo"></a>
<span class="heading">Dashboard</span>
<a href="logout.php" style="color: white"><span class="fa fa-sign-out fa-2x">Logout</span></a>
</div>
<div class="nav">
<ul>
<li class="dropdown" onclick="toggleDisplay('1')">
<a href="" class="dropbtn">Classes  
<span class="fa fa-angle-down"></span>
</a>
<div class="dropdown-content" id="1">
<a href="add_classes.php">Add Class</a>
<a href="manage_classes.php">Manage Class</a>
</div>
</li>
<li class="dropdown" onclick="toggleDisplay('2')">
<a href="#" class="dropbtn">Students  
<span class="fa fa-angle-down"></span>
</a>
<div class="dropdown-content" id="2">
<a href="add_students.php">Add Students</a>
<a href="manage_students.php">Manage Students</a>
</div>
</li>
<li class="dropdown" onclick="toggleDisplay('3')">
<a href="#" class="dropbtn">Results  
<span class="fa fa-angle-down"></span>
</a>
<div class="dropdown-content" id="3">
<a href="add_results.php">Add Results</a>
<a href="manage_results.php">Manage Results</a>
</div>
</li>
</ul>
</div>
<div class="main">
<br><br>
<form action="" method="post">
<fieldset>
<legend>Delete Result</legend>
<?php
include('init.php');
include('session.php');
$class_result=mysqli_query($conn,"SELECT `name` FROM `class`");
echo '<select name="class_name">';
echo '<option selected disabled>Select Class</option>';
while($row = mysqli_fetch_array($class_result)){
$display=$row['name'];
echo '<option value="'.$display.'">'.$display.'</option>';
}
echo'</select>'
?>
<input type="text" name="rno" placeholder="Roll No">
<input type="submit" value="Delete">
</fieldset>
</form>
<br><br>
<form action="" method="post">
<fieldset>
<legend>Update Result</legend>
<?php
$class_result=mysqli_query($conn,"SELECT `name` FROM `class`");
echo '<select name="class">';
echo '<option selected disabled>Select Class</option>';
while($row = mysqli_fetch_array($class_result)){
$display=$row['name'];
echo '<option value="'.$display.'">'.$display.'</option>';
}
echo'</select>'
?>
<input type="text" name="rn" placeholder="Roll No">
<input type="text" name="p1" id="" placeholder="Paper 1">
<input type="text" name="p2" id="" placeholder="Paper 2">
<input type="text" name="p3" id="" placeholder="Paper 3">
<input type="text" name="p4" id="" placeholder="Paper 4">
<input type="text" name="p5" id="" placeholder="Paper 5">
<input type="submit" value="Update">
</fieldset>
</form>
</div>
<!-- <div class="footer">
<span>Designed & Coded By Jibin Thomas</span>
</div> -->
</body>
</html>
<?php
if(isset($_POST['class_name'],$_POST['rno'])) {
$class_name=$_POST['class_name'];
$rno=$_POST['rno'];
echo $class_name;
echo $rno;
$delete_sql=mysqli_query($conn,"DELETE from `result` where `rno`='$rno' and `class`='$class_name'");
if(!$delete_sql){
echo '<script language="javascript">';
echo 'alert("Not available")';
echo '</script>';
} else {
echo '<script language="javascript">';
echo 'alert("Deleted")';
echo '</script>';
}
}
if(isset($_POST['rn'],$_POST['p1'],$_POST['p2'],$_POST['p3'],$_POST['p4'],$_POST['p5'],$_POST['class'])) {
$rno=$_POST['rn'];
$class_name=$_POST['class'];
$p1=(int)$_POST['p1'];
$p2=(int)$_POST['p2'];
$p3=(int)$_POST['p3'];
$p4=(int)$_POST['p4'];
$p5=(int)$_POST['p5'];
$marks=$p1+$p2+$p3+$p4+$p5;
$percentage=$marks/5;
$sql="UPDATE `result` SET `p1`='$p1',`p2`='$p2',`p3`='$p3',`p4`='$p4',`p5`='$p5',`marks`='$marks',`percentage`='$percentage' WHERE `rno`='$rno' and `class`='$class_name'";
$update_sql=mysqli_query($conn,$sql);
if(!$update_sql){
echo '<script language="javascript">';
echo 'alert("Invalid Details")';
echo '</script>';
} else {
echo '<script language="javascript">';
echo 'alert("Updated")';
echo '</script>';
}
}
?>