Question

can any one give me a best example site URL to using how to use facebook connect or facebook signup into my site or facebook login with asp.net site?

actually my requirement is that when i registered into my asp.net site by using facebook at that time we want to get facebook user’s username (emailid) from facebook and firstname and last name also with user image.

Answer 1

use facebook javascript SDK because by using javascript SDK you can do anythin on facebook easily.
I am given you some code example to do this

<script type="text/javascript" src="http://connect.facebook.net/en_US/all.js"></script>
<div id="fb-root">
    </div>
    <script type="text/javascript">
        FB.init({
            appId: '012341352533212',
            status: true, // check login status
            cookie: true, // enable cookies to allow the server to access the session
            xfbml: true, // parse XFBML
            channelUrl: 'http://www.xyz.com/channel.html', // channel.html file
            oauth: true // enable OAuth 2.0
        });
    </script>

this code call your facebook application

 <script type="text/javascript">
        function facebookLogin() {
            FB.login(function (response) {
                if (response.authResponse) {
                    FB.api('/me', function (response) {
                        jQuery('#txtFirstName').val(response.first_name);
                        jQuery('#txtLastName').val(response.last_name);
                        jQuery('#txtEmail').val(response.email);
                        jQuery('#hdfUID').val(response.id);
                        //                        FB.logout(function (response) {
                        //                        });
                    });
                } else {
                    jQuery('#txtFirstName').val('');
                    jQuery('#txtLastName').val('');
                    jQuery('#txtEmail').val('');
                    jQuery('#hdfUID').val('');
                }
            }, { scope: 'email' });
            return false;
        }
    </script>

and this code call login page of facebook and it response you get back userid, first name. last name and email of the particular user and by using jquery save these values in textbox or hiddenfield and get these values on server side code page.