Hai Using This code Form validation PHP+Mysql+Javascript
[php]
home.php
<SCRIPT language="javascript" type="text/javascript">
// Set path to PHP script
var phpscript = 'login.php';
function createRequestObject() {
var req;
if(window.XMLHttpRequest){
// Firefox, Safari, Opera...
req = new XMLHttpRequest();
} else if(window.ActiveXObject) {
// Internet Explorer 5+
req = new ActiveXObject("Microsoft.XMLHTTP");
} else {
// There is an error creating the object,
// just as an old browser is being used.
alert('There was a problem creating the XMLHttpRequest object');
}
return req;
}
// Make the XMLHttpRequest object
var http = createRequestObject();
function sendRequestPost() {
var user =document.getElementById('username').value;
var pass = document.getElementById('password').value;
if(user=='')
{
alert("Enter the User Name Please");
document.regform.username.focus();
return false;
}
if(pass=='')
{
alert("Enter the Password");
document.regform.password.focus();
return false;
}
var but= document.getElementById('submit');
// Open PHP script for requests
http.open('post', phpscript);
http.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
http.onreadystatechange = handleResponsePost;
http.send('username='+ user +'&password='+ pass);
but.value = "please wait...";
but.disabled = true;
return true;
}
function handleResponsePost() {
var but= document.getElementById('submit');
if(http.readyState == 1){
document.getElementById("response").innerHTML = "Please wait, loading... <img src=images.jpg align=middle>" ;
} else if(http.readyState == 4 && http.status == 200){
// Text returned from PHP script
var response = http.responseText;
if(response) {
// Update ajaxTest2 content
document.getElementById("response").innerHTML = response;
but.value = "Login";
but.disabled = false;
//alert(response);
}
}
}
/*function sub(event)
{
if(event.keyCode==13)
{
var user = document.getElementById('username').value;
var pass = document.getElementById('password').value;
if(user=="")
{
alert("Enter user name");
return false;
}
if(pass=="")
{
alert("Enter password");
return false;
}
}
}*/
</SCRIPT>
<META content="MSHTML 6.00.2800.1528" name="GENERATOR"></HEAD>
<BODY>
<form method="post" name="regform" action="">
<div id="all">
<p>Username:<br>
<input name="username" type="text" id="username">
<p>Password:<br>
<input name="password" type="password" id="password">
</p>
<p>
</div>
<input name="submit" type="button" value=click onclick="return sendRequestPost()";>
</p>
</form>
<DIV id="response"></DIV>
<BR>
<br>
</BODY>
</HTML>
Login.php
<?php
session_start();
include ('config.php');
$username = $_POST['username'];
$password = md5($_POST['password']);
$querys="SELECT * FROM users WHERE user='". $username ."' AND pass='". $password ."'";
$query = mysql_query($querys);
$result = mysql_num_rows($query);
$row = mysql_fetch_array($query);
if ($result == 1)
{
$_SESSION["user"] = $row["user"];
echo 'Logged in, '. $row["user"];
}
else
{
echo 'Wrong username or password.';
}
?>
[/php]
