/// <summary>
        /// 加载card信息
        /// </summary>
        public void LoadInfo()
        {
            try
            {
                ServiceManager sm = new ServiceManager();
                using (LP2ServiceClient client = sm.StartServiceClient())
                {
                    var creditCardInfo = new LP_Service.GetCreditCardRequest();
                    creditCardInfo.hdr        = new LP_Service.ReqHdr();
                    creditCardInfo.hdr.UserId = loginUser.iUserID;

                    var rsp = client.GetCreditCard(ref creditCardInfo);


                    if (rsp.hdr.Successful)
                    {
                        hfCardID.Value = creditCardInfo.Card_ID;

                        txbCardNumber.Text     = creditCardInfo.Card_Number;
                        txbNameonCard.Text     = creditCardInfo.Card_First_Name + " " + creditCardInfo.Card_Last_Name;
                        txbCardExpiration.Text = creditCardInfo.Card_Exp_Month.ToString() + "/" + creditCardInfo.Card_Exp_Year;

                        if (creditCardInfo.Card_SIC != "***")
                        {
                            txbCardCSCcode.Text = creditCardInfo.Card_SIC;
                        }
                        else
                        {
                            txbCardCSCcode.Text = "";
                        }
                        //ddlCardType.SelectedValue = creditCardInfo.Card_Type.ToString();

                        switch (creditCardInfo.Card_Type)
                        {
                        case CreditCardType.VISA:
                            ddlCardType.SelectedValue = "0";
                            break;

                        case CreditCardType.MasterCard:
                            ddlCardType.SelectedValue = "1";
                            break;

                        case CreditCardType.Amex:
                            ddlCardType.SelectedValue = "2";
                            break;

                        case CreditCardType.Discover:
                            ddlCardType.SelectedValue = "3";
                            break;

                        default: ddlCardType.SelectedValue = "";
                            break;
                        }

                        btnAddBalance.Enabled = true;

                        var reqBalance = new LP_Service.GetUserAccountBalanceRequest();
                        reqBalance.hdr        = new LP_Service.ReqHdr();
                        reqBalance.hdr.UserId = loginUser.iUserID;
                        var rspBalance = client.GetUserAccountBalance(reqBalance);

                        if (rspBalance.hdr.Successful)
                        {
                            txbBalance.Text = rspBalance.Balance.ToString("N2");
                        }
                    }
                    else
                    {
                        btnAddBalance.Enabled = false;
                    }
                }
            }
            catch (Exception ex)
            {
                PageCommon.AlertMsg(this, "Load error:" + ex.Message);
            }
        }