"PHP and MySQL CRUD Operations for Student Management System"

Step:1 Create a Database in MySQL “bca”
Step:2 Create a table “students”
Fields:
Id : INT : PRIMARY KEY
Sname: varchar(30)
City: varchar(30)

index.html
<html>
<head>
<title>Form</title>
</head>
<body>
<form action="InsertRec.php" method="post">
Name : <input type="text"
name="txtName"><br>
City : <input type="text"
name="txtCity"><br>
<input type="Submit" value = "Insert">
<input type="Reset" value ="Clear All">
</form>
</body>
</html>
InsertRec.php
<?php
$sname = trim($_POST["txtName"]);
$city = trim($_POST["txtCity"]);
if ($name === "")
{ // When No Name is Entered - It will not insert record
header("Location: index.html");
exit(); // Stop further execution
}
$con = mysqli_connect("localhost", "root", "", "bca");

$stmt = mysqli_query($con,"INSERT INTO students
(sname, city) VALUES ('$sname','$city')");
header("Location: DisplayRecords.php");
?>
DisplayRecords.php
<html>
<head>
<title>Form</title>
</head>
<body>
<table border="4">
<tr>
<th>Id</th>
<th>Name</th>
<th>City</th>
<th>Edit</th>
<th>Delete</th>
</tr>
<?php
$con = mysqli_connect(
"localhost",
"root",
"", "bca");
$qry = "SELECT * FROM students";
$s = mysqli_query($con, $qry);
while ($r = mysqli_fetch_row($s))
{
echo "<tr>";
echo "<td>".$r[0]."</td>";
echo"<td>".$r[1]."</td>";
echo "<td>".$r[2]."</td>";
echo "<td><a href='EditRecord.php?id=".
$r[0]."'>Edit</a></td>";
echo "<td><a
href='DeleteRecord.php?id=".

$r[0]."'>Delete</a></td>";
echo "</tr>";
}
echo "<tr>
<a href='index.html'>
Insert More Records
</a>
</tr>";
mysqli_close($con);
?>
</table>
</body>
</html>
DeleteRecord.php
(Here, SURAJ record is deleted)
<?php
$id = $_REQUEST["id"];
$con = mysqli_connect("localhost",
"root", "", "bca");
$stmt = mysqli_query($con,
"DELETE FROM students WHERE id = $id");
?>
EditRecord.php
<?php
$id = $_REQUEST["id"];
$con = mysqli_connect("localhost", "root", "", "bca");
$stmt =mysqli_query($con,

"SELECT * FROM students WHERE id = $id");
$rec = mysqli_fetch_array($stmt);
?>
<form action="Save.php" method="post">
<input type="hidden" name="id"
value="<?php echo $rec[0]; ?>"><br>
Name: <input type="text" name="txtName"
City: <input type="text" name="txtCity"
<input type="submit"> <input type="reset">
</form>
Save.php
<?php
$id = $_POST["id"];
$sname= $_POST["txtName"];
$city = $_POST["txtCity"];
$con = mysqli_connect("localhost",
"root", "", "bca");
$stmt = mysqli_query($con,
"UPDATE students
SET sname = '$sname',
city = '$city'
WHERE id = $id");

?>

"PHP and MySQL CRUD Operations for Student Management System"

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