protected void btnEM25_Click(object sender, EventArgs e)
        {
            BaseReply reply = ExactTargetService.InvokeEM25WebinarSharedWithAFriend(new InvokeEM25WebinarSharedWithAFriendRequest {
                PreferredLanguage = new Guid(ddlLanguages.SelectedValue), PMText = "private message text!", ToEmail = tbxSubscriberEmail1.Text, UserContactFirstName = tbxSubscriberFN1.Text, WebinarModule = "webinar module"
            });

            lblMessage.Text = reply.Message;
        }