Code Examples -> Data Retrieve from Mysql using AJAX with PHP

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PHP Code Examples

Title :	Data Retrieve from Mysql using AJAX with PHP
Categories :	PHP, AJAX, Date Time, Databases, MySQL	Suraj Thapaliya
Date :	May 01st 2006
Grade :	3 of 5 (graded 55 times)
Viewed :	130456
File :	4389.zip
Images :	No Images for this code example.

Search :	More code by Suraj Thapaliya
Action :	Grade This Code Example
Tools :	My Examples List

Code

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This example is useful to those programmers who want to use ajax in php.

Tested on
Browse Name:        Opera / 8.53
Browse Name:        Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.0.2)
Gecko/20060308 Firefox/1.5.0.2
Browse Name:         Microsoft Internet Explorer / 6.0
Browse Name :        Mozilla 1.5

GetCustomerData.php

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
<title>Get Customer Data</title>
<?php

//customer ID
$sID = $_GET["id"];

//variable to hold customer info
$sInfo = "";

//database information
$sDBServer = "your_server_name";
$sDBName = "your_database_name";
$sDBUsername = "your_user_name";
$sDBPassword = "your_password";

//create the SQL query string
$sQuery = "Select * from Customers where CustomerId=".$sID;

//make the database connection
$oLink = mysql_connect($sDBServer,$sDBUsername,$sDBPassword);
@mysql_select_db($sDBName) or $sInfo = "Unable to open database";

if($sInfo == '') {
if($oResult = mysql_query($sQuery) and mysql_num_rows($oResult) > 0) {
$aValues = mysql_fetch_array($oResult,MYSQL_ASSOC);
$sInfo = $aValues['Name']."<br />".$aValues['Address']."<br />".
$aValues['City']."<br />".$aValues['State']."<br />".
$aValues['Zip']."<br /><br />Phone: ".$aValues['Phone']."<br />".
"<a href=\"mailto:".$aValues['E-mail']."\">".$aValues['E-mail']."</a>";
} else {
$sInfo = "Customer with ID $sID doesn't exist.";
}
}

mysql_close($oLink);

?>

</head>
<body>
<div id="divInfoToReturn"> <?php echo $sInfo ?> </div>
</body>
</html>

display.htm

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<html>
<head>
<title>Customer Account Information</title>
<script type="text/javascript">
var url = "GetCustomerData.php?id="; // The server-side script
function handleHttpResponse() {
if (http.readyState == 4) {
if(http.status==200) {
var results=http.responseText;
document.getElementById('divCustomerInfo').innerHTML = results;
}
}
}

function requestCustomerInfo() {
var sId = document.getElementById("txtCustomerId").value;
http.open("GET", url + escape(sId), true);
http.onreadystatechange = handleHttpResponse;
http.send(null);
}
function getHTTPObject() {
var xmlhttp;

if(window.XMLHttpRequest){
xmlhttp = new XMLHttpRequest();
}
else if (window.ActiveXObject){
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
if (!xmlhttp){
xmlhttp=new ActiveXObject("Msxml2.XMLHTTP");
}

}
return xmlhttp;

}
var http = getHTTPObject(); // We create the HTTP Object
</script>
</head>
<body>
<p>Enter customer ID number to retrieve information:</p>
<p>Customer ID: <input type="text" id="txtCustomerId" value="" /></p>
<p><input type="button" value="Get Customer Info" onclick="requestCustomerInfo()" /></p>
<div id="divCustomerInfo"></div>
</body>
</html>

customers.txt

-- phpMyAdmin SQL Dump
-- version 2.6.0-pl3
--
-- Host: localhost
-- Generation Time: Apr 30, 2006 at 05:45 PM
-- Server version: 4.1.8
-- PHP Version: 5.0.3
--
-- Database: `ajax_ex`
--

-- --------------------------------------------------------

--
-- Table structure for table `customers`
--

CREATE TABLE `customers` (
`CustomerId` int(11) NOT NULL auto_increment,
`Name` varchar(255) NOT NULL default '',
`Address` varchar(255) NOT NULL default '',
`City` varchar(255) NOT NULL default '',
`State` varchar(255) NOT NULL default '',
`Zip` varchar(255) NOT NULL default '',
`Phone` varchar(255) NOT NULL default '',
`E-mail` varchar(255) NOT NULL default '',
PRIMARY KEY (`CustomerId`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='Sample Customer Data';

--
-- Dumping data for table `customers`
--

INSERT INTO `customers` VALUES (1, 'Suraj Thapliya', 'Naxal, Bhagbati', 'Kathmandu', 'KTM', '0977', '977-9803165329', 'surajthapaliya@gmail.com');
INSERT INTO `customers` VALUES (2, 'Birijan Maharjan', 'Kathmandu', 'Kathmandu', 'Ktm', '977', '9803020016', 'birijan@wlink.com.np');

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User Comments

	Antonio Ciccarone wrote : 1764 `Good job here, this actually worked without a hitch. It's going to be fun to rip it apart and use it for my own development. Thanks for sharing!`
	Marvin Ochieng wrote : 1809 hi..thank you for your very good tutorial, it got me to do something i never managed before, quite pleased with mylself...however, i have a minor problem...my form queries the db and returns radio buttons according to the user's choice a select list above..when i submit the whole form, the values of the radio buttons drawn from the XMLHttpRequest..here's a snippet from the php file that's called by the XMLHttpRequest. <? while($row = mysql_fetch_array($result)) { if ($int%4 == 0) { $url = "vdesign.php?desc=".$row['description']."&title=".$row['title'].""; echo "<input type='radio' name='design' value='".$row['title']."' /><a href = 'vdesign.php?desc=".$row['description']."&title=".$row['title']."' onclick=\"return popitup('$url')\">".$row['title']."</a><br/><br/>"; } else { $url = "vdesign.php?desc=".$row['description']."&title=".$row['title']."&type=".$row['type'].""; echo "<input type='radio' name='design' value='".$row['title']."' /><a href = 'vdesign.php?desc=".$row['description']."&title=".$row['title']."' onclick=\"return popitup('$url')\">".$row['title']."</a>��"; } } ?>
	ninanano ninanano wrote : 1815 `thanks for your codes. really appreciate it. just want to ask, i try to enter character such as M0001 into the text field and begin searching, but the script wont do it. where should i change to make sure character+number such as M00001 can be accepted? please help, really in need!!`
	Muhammad Shafique wrote : 1860 `Hi! Your Code Example is Good . Run very well in Firfox and IE. But Problem is that in IE6 . this script run first time successfully but when any changes in table. this script not execute with changes. this run as first time load. If any record insert this script will not get that record in IE. But get value in Firfox successfully. please can you help that how this problem can solve. with thanks`
	Suraj Thapaliya wrote : 1861 `Thanks all of you. To make it work in IE 6 put this code in your php file at top header("Cache-Control: no-cache");`
	Suraj Thapaliya wrote : 1862 `One more thing this code is little old So you can find my AJAX code at http://www.weberdev.com/get_example-4611.html which gives u the easy way to do the bunch of things`
	Muhammad Shafique wrote : 1863 `HI Suraj Thapaliya According to your sugestion i add no cache in header. now this is working good in IE6. thanks`
	Chris Green wrote : 1867 `Can you tell me how to do the same thing, but with a dropdown list that you select a name from and shows address, phone and other things below?`
	Emmanuel Constant wrote :1874 `How would you setup the code for Oracle database?`