Can not import product by System -> Import/Export -> Dataflow - Profiles -> Import All Products

[baisoo]

Can not import product by System -> Import/Export -> Dataflow - Profiles -> Import All Products.
1、no left nav menu
2、no commit menu

[magento-team]

Import/export using the dataflow profiles is discontinued in favor of the Mage_ImportExport module. Mage_Dataflow module will be removed from the code base prior to the release.