varbase_warehouse_list=_connection.Query<dc_base_warehouse_country_dto>(" select t1.warehouse_code,t2.`code` as 'country_code' from dc_base_warehouse as t1 left join dc_base_country as t2 on t1.area_name = t2.`name` ").ToList();
varbase_wa=_connection.QueryFirstOrDefault<string>(" select t2.`code` from dc_base_warehouse as t1 left join dc_base_country as t2 on t1.area_name = t2.`name` where warehouse_code=@warehouse_code ",new{warehouse_code=item.Key.warehouse_code});
varbase_wa=_connection.QueryFirstOrDefault<string>(" select t2.`code` from dc_base_warehouse as t1 left join dc_base_country as t2 on t1.area_name = t2.`name` where warehouse_code=@warehouse_code ",new{warehouse_code=item.Key.warehouse_code});