After you complete your facebook app in Login from Facebook in ASP.Net [I] now create a new
application in visual studio and write below source code :
<html>
<head>
<title>Login from facebook </title>
<script type="text/javascript" src="http://code.jquery.com/jquery-latest.js"></script>
</head>
<body>
<script>
//
Load the SDK Asynchronously
(function (d) {
var js, id = 'facebook-jssdk', ref = d.getElementsByTagName('script')[0];
if (d.getElementById(id)) { return; }
js = d.createElement('script'); js.id = id;
js.async = true;
js.src = "//connect.facebook.net/en_US/all.js";
ref.parentNode.insertBefore(js, ref);
}(document));
//
Init the SDK upon load
window.fbAsyncInit = function () {
FB.init({
appId: '412481505502016', // App ID
channelUrl: '//' + window.location.hostname +
'/channel', // Path to your Channel File
status: true, // check login status
cookie: true, // enable cookies to allow the server to access the
session
xfbml: true // parse
XFBML
});
//
listen for and handle auth.statusChange events
FB.Event.subscribe('auth.statusChange', function (response) {
if (response.authResponse) {
//
user has auth'd your app and is logged into Facebook
FB.api('/me', function (me) {
if (me.name) {
document.getElementById('auth-displayname').innerHTML = me.name;
}
})
document.getElementById('auth-loggedout').style.display
= 'none';
document.getElementById('auth-loggedin').style.display
= 'block';
} else {
//
user has not auth'd your app, or is not logged into Facebook
document.getElementById('auth-loggedout').style.display
= 'block';
document.getElementById('auth-loggedin').style.display
= 'none';
}
});
$("#auth-logoutlink").click(function () { FB.logout(function () { window.location.reload(); }); });
}
</script>
<h1>
Login from facebook</h1>
<div id="auth-status">
<div id="auth-loggedout">
<div class="fb-login-button" autologoutlink="true" scope="email,user_checkins">Login with Facebook</div>
</div>
<div id="auth-loggedin" style="display: none">
Hi,
<span id="auth-displayname"></span>(<a href="#" id="auth-logoutlink">logout</a>)
</div>
</div>
</body>
</html>
Now hit F5,it ll show you a page like below image :
When you ll click on Login With Facebook button it ll open a window
like below :
Login from here with your facebook credentials , it ll make you login
on your application as well.
Thnaks.
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