6

i get the following error

undefined method `merge' for 2:Fixnum

for the code 

f.check_box "page[group_ids][]", g.id

please, suggest solution for this.

thanks

user229044
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lamrin
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1 Answers1

22

You should use check_box_tag instead of f.check_box.

check_box_tag "page[group_ids][]", g.id

The difference is f.check_box is for model-bounded forms and the value supplied to the check box is implicit from the given model and doesn't need to be provided.

PeterWong
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    This is the reason that error is appearing, though: http://stackoverflow.com/a/6636888/2948832 – styger May 08 '15 at 20:25