vardc_base_forecast_historydata=_connection.QueryFirstOrDefault<dc_base_forecast_history>(" select * from dc_base_forecast_history where warehouse_code=@warehouse_code and bailun_sku=@bailun_sku and date_str=@date_str limit 1 ",new
vardc_base_forecast_historydata=_connection.QueryFirstOrDefault<dc_base_forecast_history>(" select * from dc_base_forecast_history where warehouse_code=@warehouse_code and bailun_sku=@bailun_sku and date_str=@date_str limit 1 ",new