Rails - Feb 2011 - dependencies problem

hi,
   i am new to ruby on rails,i want to remove a field from the edit
screen,how to know whether removing that field will effect the other
screens.
i want to remove the below code from my controller
config.columns[:status].form_ui = :radio
    config.columns[:status].options = {}
    config.columns[:status].options[:values] = [[''Active'',
''A''],
["Inactive", ''I'']]

thanks in advance

-- 

Harika Grandhi

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