/// <summary>
        /// 根据省份筛选城市
        /// </summary>
        /// <param name="paramProvCode"></param>
        private void QueryCityListByProv(string paramProvCode)
        {
            List <EnumCodeTextModel> resultCityList = BLLCom.QueryCityList(paramProvCode);

            if (resultCityList == null)
            {
                resultCityList = new List <EnumCodeTextModel>();
            }
            resultCityList.Insert(0, new EnumCodeTextModel {
                Code = string.Empty, Text = SysConst.CHS_COMBTEXTBIND
            });
            cboOrg_City_Code.DisplayMember = SysConst.EN_TEXT;
            cboOrg_City_Code.ValueMember   = SysConst.Value;
            cboOrg_City_Code.DataSource    = resultCityList;
            cboOrg_City_Code.DataBind();
            cboOrg_City_Code.SelectedIndex = 0;
            cboOrg_City_Code.DropDown();
        }