varold_data=conn.QuerySingleOrDefault<dc_auto_first_order_sku>(" select * from dc_auto_first_order_sku where bailun_sku=@bailun_sku and warehouse_code=@warehouse_code ",new{bailun_sku=item,warehouse_code=input_data.warehouse_code});
varold_data=conn.QuerySingleOrDefault<dc_auto_first_order_sku>(" select * from dc_auto_first_order_sku where bailun_sku=@bailun_sku and warehouse_code=@warehouse_code ",new{bailun_sku=item.bailun_sku,warehouse_code=input_data.warehouse_code});