protected void Page_PreRender(object sender, EventArgs e)
{
// Set token expiration
tokenExpiration = FacebookProvider.GetAccessTokenExpirationFromString(txtToken.Text);
// Set token expiration message if token seems to be valid
if ((tokenExpiration != DateTime.MinValue) && !String.IsNullOrEmpty(txtToken.Text))
{
if (tokenExpiration <= DateTime.Now)
{
lblMessage.Text = GetString("socialnetworking.facebook.tokenexpired");
}
else
{
lblMessage.Text = String.Format(GetString("socialnetworking.facebook.tokenwillexpire"), tokenExpiration.ToString("g", CultureHelper.PreferredUICultureInfo));
}
}
}