Autocomplete Textbox using HTML5 Datalist, PHP and MySQL Example

On 8/07/2015

Autosuggest Textbox is a cool technique to enhance user experience in websites. It’s a google like search box which pops up suggestions while you type and lets you choose the word(s) without typing it completely. Usually this feature requires third party tools like jquery plug-ins to implement but thanks to HTML5, you can do it with plain html and php alone. In this tutorial, I’m going to show you, how easy it is to integrate HTML5 auto complete textbox from database using PHP and MySQL.

Autocomplete Textbox from Database using HTML5 and PHP

The HTML5 DATALIST element adds up autocomplete feature to ordinary textboxes and it takes up several options similar to SELECT element. To implement auto suggest from database, we should fetch the data and populate it to the datalist options. Finally integrate this datalist to a textbox element and we are done. Let’s see how to do it in php and mysql.

Step-1: Connect to MySQL Database in PHP

First establish the connection to mysql database in php.

<?php
//connect to mysql database
$connection = mysqli_connect("localhost","username","password","store") or die("Error " . mysqli_error($connection));
?>

Step-2: Fetch the Required Data from MySQL Table

Now fetch the required mysql table field data from database. Here I wish to select the list of category names from the ‘category’ table.

<?php
//fetch data from database
$sql = "select cname from category";
$result = mysqli_query($connection, $sql) or die("Error " . mysqli_error($connection));
?>

Step-3: Create Datalist with MySQL Data

Next create a datalist element, loop through the mysql resultset and add the category names one by one to the datalist options.

<datalist id="categoryname">
    <?php while($row = mysqli_fetch_array($result)) { ?>
        <option value="<?php echo $row['cname']; ?>"><?php echo $row['cname']; ?></option>
    <?php } ?>
</datalist>

Step-4: Integrate Datalist with a Textbox

Next create an input element and set its LIST attribute to datalist’s ID.

<input type="text" id="pcategory" autocomplete="off" list="categoryname">

It simply binds the textbox with the datalist OPTIONS and suitable suggestions pops up when the user type something in the box. We also used autocomplete = "off" to disable the browser’s default autocomplete feature for proper functioning of our own autosuggest feature.

Step-5: Close the Database Connection

Finally close the mysql database connection we have established earlier.

<?php mysqli_close($connection); ?>

That’s it. Now go and check it in your browser and see the auto complete textbox works like a charm (Only in HTML5 supported browsers).

autosuggest-textbox-in-html5-php-mysql-example
Autocomplete Textbox in HTML5 Example
Complete Code for HTML5 Autocomplete Textbox
<?php
//connect to mysql database
$connection = mysqli_connect("localhost","username","password","store") or die("Error " . mysqli_error($connection));

//fetch data from database
$sql = "select cname from category";
$result = mysqli_query($connection, $sql) or die("Error " . mysqli_error($connection));
?>
<!DOCTYPE html>
<html>
<head>
    <title>Autocomplete Textbox in HTML5 PHP and MySQL</title>
</head>
<body>
    <label for="pcategory">Product Category</label>
    <input type="text" list="categoryname" autocomplete="off" id="pcategory">
    <datalist id="categoryname">
        <?php while($row = mysqli_fetch_array($result)) { ?>
            <option value="<?php echo $row['cname']; ?>"><?php echo $row['cname']; ?></option>
        <?php } ?>
    </datalist>
    <?php mysqli_close($connection); ?>
</body>
</html>

And that was all about implementing autocomplete textbox in html5 and php. If you want the auto complete with more styling options, then using jQuery UI plug-in is the best option. Read this tutorial to learn about using jquery ui for autocomplete textbox in php and mysql.

Also Read: How to Insert JSON File into MySQL Database using PHP

Don’t Miss: How to Insert CSV File into MySQL Database using PHP

4 comments:

  1. Sir how to add a scroll bar when the data that is stored in the datalist becomes high? I want a scroll in the autocomplete.

    ReplyDelete
    Replies
    1. Hey, a vertical scroll bar will be added automatically while you type if the suggestion list grew large. Just add more similar options to pop up in the auto suggest list and check out.

      Cheers :-)

      Delete
    2. i want to retrive data according their name by submitiing the textbox. how to do this?

      Delete
    3. The scope of this article is to show you how to make a textbox popup suggestions based on user input. This textbox is like any other normal input in a form. So once you enter data into the textbox, you can submit the html form to pull off info. from db with some simple php script.

      Delete

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