If you are bit familiar with basics of jQuery JavaScript library, next thing you want to do is learn jQuery Ajax to add and delete records from MySQL database table. In this basic tutorial we are going to do the same, we will focus on learning jQuery to send POST data to a PHP file and respond back with results or errors. Reset Tool Epson Px700w Ink there. Without having to reload the page, the Ajax technique is a very neat way to add or delete / database records, also it looks very cool. In this tutorial, I have created three files index.php, response.php and config.php. Front page (index. Hp Windows Xp Pro Sp2 Product Key here. php) is the only file where user directly interacts with your application. Response.php runs behind the scene, it has no visual contact with user and responds obliquely. Let’s start by creating a MySQL table called add_delete_record.

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You can run SQL query below in your phpMyAdmin to create the table for you automatically. Front Page We’ll be using jQuery $.ajax method to make Ajax calls to response.php, if you examine jQuery code below, you can see that there are two click methods are used to make Ajax calls;.click() and.on(). The.click() and.on() method work same way, both get triggered when mouse button is pressed and released, the difference is that the.on() also attaches an event handler to the elements, for example: a button element loaded via Ajax request does not work with.click method, to make it work we must use.on() method to attach element to event handler. (For Older jQuery versions.live or.delegate() must be used instead). You can find additional documentation. Add record Returning the Data The response.php returns results according to the different Ajax request users make. Response.php connects to database, add/delete records and return success / error messages.

Since all these processing takes place on the server, we do not need any jQuery codes here. In response.php, the type of request is determined by the POST variables sent by index.php. If content_txt POST variable is set, PHP code adds a new record and returns the result, if it is a delete request, it deletes selected record from the database. Printer Driver Ricoh Aficio Sp 3510dn. In case of errors, we will just output PHP header 500 errors like this: header(‘HTTP/1.1 500 Error Message!’). When we send this error message, Ajax response handler in index.php uses the HTTP status code to check if there was an error and alerts user with the message.

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