Ruby on Rails

> It depends on whether that is ever supposed to be nil. If it is then
> you just need to test for that in your code before using it.
>
> Colin


In my controller's edit_privilege method I changed the below line

from
@user = User.active.first(:conditions => ["username LIKE
BINARY(?)",params[:id]])
to
@user = User.active.find_by_username(params[:id])

and it solved the problem. but dont know why not the above line working?


def edit_privilege
@user = User.active.find_by_username(params[:id])
#User.active.first(:conditions => ["username LIKE
BINARY(?)",params[:id]])
@employee = @user.employee_record
@privilege_tags=PrivilegeTag.find(:all,:order=>"priority ASC")
@user_privileges=@user.privileges
if request.post?
new_privileges = params[:user][:privilege_ids] if params[:user]
new_privileges ||= []
@user.privileges = Privilege.find_all_by_id(new_privileges)
redirect_to :action => 'admission4',:id => @employee.id
end
end

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