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Edit or Update Data with Bootstrap Modal in PHP & MySQL Using Ajax

Originally posted @ https://codeanddeploy.com visit and download the sample code: https://codeanddeploy.com/blog/php/edit-or-update-data-with-bootstrap-modal-in-php-mysql-using-ajax

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In this code, we will show you how to display the data with Bootstrap Modal and Update it in PHP & MySQL using AJAX. This function is one of the most important functions when creating an application. So we hope that you found it helpful to your research.

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Index.html

First, we need to create our index.html just check the below code.



<!doctype html>
<html lang="en">
<head>
    <title>Edit or Update Data Using PHP & MySQL Ajax</title>

    <!-- Bootstrap CSS -->
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/css/bootstrap.min.css">

    <!-- Page CSS -->
    <link rel="stylesheet" href="assets/css/styles.css">
</head>

<body>

    <div class="container">

        <br><br>

        <h1>Edit or Update Data Using PHP & MySQL Ajax</h1>

        <br><br>

        <div class="row">
            <div class="col-md-4">
                <h3>Add New Employee</h3>

                <form action="save.php" id="form">
                    <div class="form-group">
                        <label for="email">Email</label>
                        <input class="form-control" type="text" name="email">
                    </div>
                    <div class="form-group">
                        <label for="first_name">First Name</label>
                        <input class="form-control" type="text" name="first_name">
                    </div>
                    <div class="form-group">
                        <label for="last_name">Last Name</label>
                        <input class="form-control" type="text" name="last_name">
                    </div>
                    <div class="form-group">
                        <label for="address">Address</label>
                        <textarea class="form-control" type="text" name="address" rows="3"></textarea>
                    </div>
                    <button type="button" class="btn btn-primary" id="btnSubmit">Submit</button>
                </form>
            </div>

            <div class="col-md-8">
                <h3>List of Employees</h3>
                <div id="employees-list"></div>
            </div>
        </div>
    </div>

    <!-- The Modal -->
    <div class="modal" id="edit-employee-modal">
        <div class="modal-dialog">
            <div class="modal-content">

                <!-- Modal Header -->
                <div class="modal-header">
                    <h4 class="modal-title">Edit Employee</h4>
                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                </div>

                <!-- Modal body -->
                <div class="modal-body">
                    <form action="update.php" id="edit-form">
                        <input class="form-control" type="hidden" name="id">
                        <div class="form-group">
                            <label for="email">Email</label>
                            <input class="form-control" type="text" name="email">
                        </div>
                        <div class="form-group">
                            <label for="first_name">First Name</label>
                            <input class="form-control" type="text" name="first_name">
                        </div>
                        <div class="form-group">
                            <label for="last_name">Last Name</label>
                            <input class="form-control" type="text" name="last_name">
                        </div>
                        <div class="form-group">
                            <label for="address">Address</label>
                            <textarea class="form-control" type="text" name="address" rows="3"></textarea>
                        </div>
                        <button type="button" class="btn btn-primary" id="btnUpdateSubmit">Update</button>
                        <button type="button" class="btn btn-danger float-right" data-dismiss="modal">Close</button>
                    </form>


                </div>

            </div>
        </div>
    </div>


    <!-- Must put our javascript files here to fast the page loading -->

    <!-- jQuery library -->
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <!-- Popper JS -->
    <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
    <!-- Bootstrap JS -->
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.2/js/bootstrap.min.js"></script>
    <!-- Page Script -->
    <script src="assets/js/scripts.js"></script>

</body>

</html>


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Save.php

After the above code so we need the save function so that we can enable to add a new record.



<?php
    $request = $_REQUEST; //a PHP Super Global variable which used to collect data after submitting it from the form
    $email = $request['email']; //get the date of birth from collected data above
    $first_name = $request['first_name']; //get the date of birth from collected data above
    $last_name = $request['last_name'];
    $address = $request['address'];

    $servername = "localhost"; //set the servername
    $username = "root"; //set the server username
    $password = ""; // set the server password (you must put password here if your using live server)
    $dbname = "demos"; // set the table name

    $mysqli = new mysqli($servername, $username, $password, $dbname);

    if ($mysqli->connect_errno) {
      echo "Failed to connect to MySQL: " . $mysqli->connect_error;
      exit();
    }

    // Set the INSERT SQL data
    $sql = "INSERT INTO employees (email, first_name, last_name, address)
    VALUES ('".$email."', '".$first_name."', '".$last_name."', '".$address."')";

    // Process the query so that we will save the date of birth
    if ($mysqli->query($sql)) {
      echo "Employee has been successfully created.";
    } else {
      return "Error: " . $sql . "<br>" . $mysqli->error;
    }

    // Close the connection after using it
    $mysqli->close();
?>


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All.php

Our next code is about getting all records via ajax.



<?php
    $servername = "localhost"; //set the servername
    $username = "root"; //set the server username
    $password = ""; // set the server password (you must put password here if your using live server)
    $dbname = "demos"; // set the table name

    $mysqli = new mysqli($servername, $username, $password, $dbname);

    if ($mysqli->connect_errno) {
      echo "Failed to connect to MySQL: " . $mysqli->connect_error;
      exit();
    }

    // Set the INSERT SQL data
    $sql = "SELECT * FROM employees";

    // Process the query so that we will save the date of birth
    $results = $mysqli->query($sql);

    // Fetch Associative array
    $row = $results->fetch_all(MYSQLI_ASSOC);

    // Free result set
    $results->free_result();

    // Close the connection after using it
    $mysqli->close();

    echo json_encode($row);
?>


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Get.php

In this code, we will get the record and display it via modal.



<?php
    $request = $_REQUEST; //a PHP Super Global variable which used to collect data after submitting it from the form
    $employeeId = $request['employee_id'];//define the employee ID

    $servername = "localhost"; //set the servername
    $username = "root"; //set the server username
    $password = ""; // set the server password (you must put password here if your using live server)
    $dbname = "demos"; // set the table name

    $mysqli = new mysqli($servername, $username, $password, $dbname);

    if ($mysqli->connect_errno) {
      echo "Failed to connect to MySQL: " . $mysqli->connect_error;
      exit();
    }

    // Set the INSERT SQL data
    $sql = "SELECT * FROM employees WHERE id='".$employeeId."'";

    // Process the query so that we will save the date of birth
    $results = $mysqli->query($sql);

    // Fetch Associative array
    $row = $results->fetch_assoc();

    // Free result set
    $results->free_result();

    // Close the connection after using it
    $mysqli->close();

    echo json_encode($row);
?>


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Update.php

Now in this code, we are enabled to update the record after clicking the "Update" button via modal using ajax.



<?php
    $request = $_REQUEST; //a PHP Super Global variable which used to collect data after submitting it from the form
    $id = $request['id']; //employee ID we are using it to get the employee record
    $email = $request['email']; //get the date of birth from collected data above
    $first_name = $request['first_name']; //get the date of birth from collected data above
    $last_name = $request['last_name'];
    $address = $request['address'];

    $servername = "localhost"; //set the servername
    $username = "root"; //set the server username
    $password = ""; // set the server password (you must put password here if your using live server)
    $dbname = "demos"; // set the table name

    $mysqli = new mysqli($servername, $username, $password, $dbname);

    if ($mysqli->connect_errno) {
      echo "Failed to connect to MySQL: " . $mysqli->connect_error;
      exit();
    }

    // Set the INSERT SQL data
    $sql = "UPDATE employees SET email='".$email."', first_name='".$first_name."', last_name='".$last_name."', address='".$address."' WHERE id='".$id."'";

    // Process the query so that we will save the date of birth
    if ($mysqli->query($sql)) {
      echo "Employee has been sucessfully updated.";
    } else {
      return "Error: " . $sql . "<br>" . $mysqli->error;
    }

    // Close the connection after using it
    $mysqli->close();
?>


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Scripts.js

In this code, we are enabled to process the above PHP codes via AJAX from saving record, getting all records, retrieving records, and updating it.



function all() 
{
    // Ajax config
    $.ajax({
        type: "GET", //we are using GET method to get all record from the server
        url: 'all.php', // get the route value
        success: function (response) {//once the request successfully process to the server side it will return result here

            // Parse the json result
            response = JSON.parse(response);

            var html = "";
            // Check if there is available records
            if(response.length) {
                html += '<div class="list-group">';
                // Loop the parsed JSON
                $.each(response, function(key,value) {
                    // Our employee list template
                    html += '<a href="#" class="list-group-item list-group-item-action">';
                    html += "<p>" + value.first_name +' '+ value.last_name + " <span class='list-email'>(" + value.email + ")</span>" + "</p>";
                    html += "<p class='list-address'>" + value.address + "</p>";
                    html += "<button class='btn btn-sm btn-primary mt-2' data-toggle='modal' data-target='#edit-employee-modal' data-id='"+value.id+"'>Edit</button>";
                    html += '</a>';
                });
                html += '</div>';
            } else {
                html += '<div class="alert alert-warning">';
                  html += 'No records found!';
                html += '</div>';
            }



            // Insert the HTML Template and display all employee records
            $("#employees-list").html(html);
        }
    });
}

function save() 
{
    $("#btnSubmit").on("click", function() {
        var $this           = $(this); //submit button selector using ID
        var $caption        = $this.html();// We store the html content of the submit button
        var form            = "#form"; //defined the #form ID
        var formData        = $(form).serializeArray(); //serialize the form into array
        var route           = $(form).attr('action'); //get the route using attribute action

        // Ajax config
        $.ajax({
            type: "POST", //we are using POST method to submit the data to the server side
            url: route, // get the route value
            data: formData, // our serialized array data for server side
            beforeSend: function () {//We add this before send to disable the button once we submit it so that we prevent the multiple click
                $this.attr('disabled', true).html("Processing...");
            },
            success: function (response) {//once the request successfully process to the server side it will return result here
                $this.attr('disabled', false).html($caption);

                // Reload lists of employees
                all();

                // We will display the result using alert
                alert(response);

                // Reset form
                resetForm(form);
            },
            error: function (XMLHttpRequest, textStatus, errorThrown) {
                // You can put something here if there is an error from submitted request
            }
        });
    });
}

function resetForm(selector) 
{
    $(selector)[0].reset();
}


function get() 
{
    $(document).delegate("[data-target='#edit-employee-modal']", "click", function() {

        var employeeId = $(this).attr('data-id');

        // Ajax config
        $.ajax({
            type: "GET", //we are using GET method to get data from server side
            url: 'get.php', // get the route value
            data: {employee_id:employeeId}, //set data
            beforeSend: function () {//We add this before send to disable the button once we submit it so that we prevent the multiple click

            },
            success: function (response) {//once the request successfully process to the server side it will return result here
                response = JSON.parse(response);
                $("#edit-form [name=\"id\"]").val(response.id);
                $("#edit-form [name=\"email\"]").val(response.email);
                $("#edit-form [name=\"first_name\"]").val(response.first_name);
                $("#edit-form [name=\"last_name\"]").val(response.last_name);
                $("#edit-form [name=\"address\"]").val(response.address);
            }
        });
    });
}

function update() 
{
    $("#btnUpdateSubmit").on("click", function() {
        var $this           = $(this); //submit button selector using ID
        var $caption        = $this.html();// We store the html content of the submit button
        var form            = "#edit-form"; //defined the #form ID
        var formData        = $(form).serializeArray(); //serialize the form into array
        var route           = $(form).attr('action'); //get the route using attribute action

        // Ajax config
        $.ajax({
            type: "POST", //we are using POST method to submit the data to the server side
            url: route, // get the route value
            data: formData, // our serialized array data for server side
            beforeSend: function () {//We add this before send to disable the button once we submit it so that we prevent the multiple click
                $this.attr('disabled', true).html("Processing...");
            },
            success: function (response) {//once the request successfully process to the server side it will return result here
                $this.attr('disabled', false).html($caption);

                // Reload lists of employees
                all();

                // We will display the result using alert
                alert(response);

                // Reset form
                resetForm(form);

                // Close modal
                $('#edit-employee-modal').modal('toggle');
            },
            error: function (XMLHttpRequest, textStatus, errorThrown) {
                // You can put something here if there is an error from submitted request
            }
        });
    });
}


$(document).ready(function() {

    // Get all employee records
    all();

    // Submit form using AJAX To Save Data
    save();

    // Get the data and view to modal
    get();

    // Updating the data
    update();
});


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Styles.css

Then our last code about the custom style of our page.



.list-email {
    font-style: italic;
}

.list-address {
    margin-top: -14px;
    margin-bottom: 0px;
    font-size: 12px;
}


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Okay, we were done setting up our code and you can now enable to update/edit your record using ajax. I hope this code can help you.

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