558542 [Help Page VB] The sample generated doesn't have the expected numeric suffix
This is because ++ operator is not supported in VB (http://blogs.msdn.com/b/ericlippert/archive/2004/07/19/why-no.aspx). Therefore, replacing the ++ expression with += statement.
[facebook template] Add the '~/' prefix to the AuthorizationRedirectPath specified in web.config