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barode problem urgent !!!!!!!!!!!!!!!!!

Posted: Mon May 19, 2008 1:01 pm
by imad145
please i am trying to use the barcode but the problem is the ldn name. logical device name
where i can get the ldn name...
in the menu items when i try to read the code for the item it works
but when i go to the sale and read the item .. nothing happened..
when i try to put a device name expmple device1 it shows an error class not registered//