I created Facebook Canvas page with Facebook C# SDK 5.0.25. Unfortunately when I use IE7 then user is redirect to “/?fb_xd_fragment” page and as result he view blank page.
I created Facebook Canvas page with Facebook C# SDK 5.0.25. Unfortunately when I use
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See http://bugs.developers.facebook.net/show_bug.cgi?id=9777 and https://developers.facebook.com/docs/reference/javascript/FB.init/ for a possible workaround for that problem.
Specifically, you need to provide a channelUrl back to your page.
See also this question which has some useful further links.