protected void btnUpdate_Click(object sender, EventArgs e)
        {
            int present = Utility.StrToInt(txtPresent.Text.Trim( ), 0);

            if (present <= 0)
            {
                Show("兑换的魅力点必须为正整数!");
                return;
            }
            Message umsg = accountsFacade.UserConvertPresent(Fetch.GetUserCookie().UserID, present, 50, GameRequest.GetUserIP());

            if (umsg.Success)
            {
                ShowAndRedirect("魅力兑换成功!", "/Member/ConvertPresent.aspx");
            }
            else
            {
                Show(umsg.Content);
            }
        }