internal class BasePageHelper
{
...
...
public static void LoadFBMLPage(FacebookService fbService, bool autoAdd, HttpRequest request, HttpResponse response)
{
string sessionKey = null;
string userId = null;
string inCanvas = request[REQUEST_IN_CANVAS];
fbService.IsDesktopApplication = false;
if (string.IsNullOrEmpty(fbService.SessionKey) || string.IsNullOrEmpty(fbService.UserId))
{
sessionKey = request[REQUEST_SESSION_KEY];
userId = request[REQUEST_USER_ID];
}
else
{
sessionKey = fbService.SessionKey;
userId = fbService.UserId;
}
// When the user uses the facebook login page, the redirect back here will will have the auth_token in the query params
string authToken = request.QueryString[QUERY_AUTH_TOKEN];
// We have already established a session on behalf of this user
if (!String.IsNullOrEmpty(sessionKey))
{
fbService.SessionKey = sessionKey;
fbService.UserId = userId;
}
//// This will be executed when facebook login redirects to our page
else if (!String.IsNullOrEmpty(authToken))
{
fbService.CreateSession(authToken);
}
else
{
//response.Redirect(@"http://www.facebook.com/login.php?api_key=" + fbService.ApplicationKey + @"&v=1.0");
//check if canvas!
if ( !string.IsNullOrEmpty(inCanvas) && inCanvas.Equals("1"))
{
response.Write("<fb:redirect url=\"" + FACEBOOK_LOGIN_URL + fbService.ApplicationKey + @"&v=1.0&canvas" + "\"/>");
}
else
{
response.Write("<fb:redirect url=\"" + FACEBOOK_LOGIN_URL + fbService.ApplicationKey + @"&v=1.0" + "\"/>");
}
response.End();
}
if (!fbService.IsAppAdded() && autoAdd)
{
if ((!string.IsNullOrEmpty(inCanvas) && inCanvas.Equals("1")) || (!string.IsNullOrEmpty(request.Url.ToString()) && request.Url.ToString().ToLower().Contains("facebook.com")))
{
response.Write("<fb:redirect url=\"" + FACEBOOK_ADD_URL + fbService.ApplicationKey + @"&v=1.0" + "\"/>");
response.End();
}
else
{
response.Redirect(FACEBOOK_ADD_URL + fbService.ApplicationKey + @"&v=1.0");
}
}
}
}
if ( !string.IsNullOrEmpty(inCanvas) && inCanvas.Equals("1"))
{
response.Write("<fb:redirect url=\"" + FACEBOOK_LOGIN_URL + fbService.ApplicationKey + @"&v=1.0&canvas" + "\"/>");
}
else
{
response.Write("<fb:redirect url=\"" + FACEBOOK_LOGIN_URL + fbService.ApplicationKey + @"&v=1.0" + "\"/>");
}
public partial class _App : CanvasFBMLBasePage
{
...
....
new protected void Page_Load(object sender, EventArgs e)
{
AddCanvasParameterToRequestQueryString();
base.Api = FACEBOOKAPIKEY;
base.Secret = FACEBOOK_SECRET;
base.Page_Load(sender, e);
...
....
}
}
And it works now.... And you can see this sample application on Facebook - Traveling Babies
Article keywords: Facebook, FBML, FBJS, AJAX, Mock AJAX
, fb:action, fb:create-button, fb:help, fb:dashboard, fb:friend-selector, fb:editor, fb:iframe,
, Animation, setTextValue, setValue
, getElementById, span, div, ajax.post,
, asp:DropDownList, asp:Button, asp:GridView, form, runat=server, server-side,
DataSet, DataColumn, DataRow, GridView, DataSource
Questions?
Suggestions? Concerns? - email me to [email protected]
Greg Dubinovsky © 2008
or share your thoughts at Siccolo Blog
Web being sponsor - Mid-Atlantic Processing. Well being sponsor - Clarity MediSpa. Hairless sponsor - Clarity MediSpa Laser Hair Removal.
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