rails input selected values from params to select_tag (multiple => true)

Question

I want to keep the select_tag(:multiple => true) options to be selected which were selected by user once search is performed

<%= select_tag 'values[]', method_for_options_for_select, :class => 'some-class', :multiple => true, :size => 6 %>

Suppose a user select 4 values from the select tag then for values should be selected, How can we pass this 4 values to the select_tag?

I tried using :selected => params['values[]'] but this doesnt works for multiple true

Any help will be appreciated

Community · Accepted Answer · 2017-05-23 11:49:11Z

0

Ref this and options_for_select

Something like following

<%= select_tag 'values[]', 
options_for_select(@stores.map {|s| [s.store_name, s.store_id]}, 
@user.stores.map {|j| j.store_id}),
:class => 'some-class', :multiple => true, :size => 6 %>

edited May 23, 2017 at 11:49

CommunityBot

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answered Jul 9, 2013 at 10:41

Salil

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1 Comment

Salil Over a year ago

If you are getting params['values'] as an array on page replace @user.stores.map {|j| j.store_id} with params['values']

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