/// <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(); }