Andrus,

>Why Windows.Forms Business Form class hierarchy contains mmBusinessBaseForm and mmEntityBusinessForm classes ?
>
>I havent found any case where those classes are useful.
>Even mmUserLoginForm which does not require most of BO functionality is not inherited from those classes. Why ?

These are for future use when we move to a model that works with DLINQ and there may be no underlying DataTables (optional).

Best Regards,