ruby on rails - Why is my multiple-select with selected not working? -
i trying use multiple-selection drop-down unable figure out why not working.
<%= select( map1[:field_name], "id", map1[:field_codes], :multiple => "true", :selected => optionval[value] )%>
it not give me error, , adding multiple => true
not make difference.
multiple html_options , selected helper option. select has next syntax select(object, method, choices, options = {}, html_options = {})
so, write
<%= select( map1[:field_name], "id", map1[:field_codes], { :selected => optionval[value] }, { :multiple => "true" } )%>
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