TypeError：数组未隐式转换为String

Question

I am receiving a error on the line = select_tag :ethnicity, ['Asian', 'Black', 'Biracial', 'Indian', 'Hispanic/Latin', 'Middle Eastern', 'Native American', 'Pacific Islander', 'White', 'Other'], prompt: 'ethnicity/race' that reads no implicit conversion of Array into String

Can someone assist?

index.html.slim:

  = form_tag searches_path, method: :get do
          .select4
            .col.col7 style='margin-left: 10px;width:233px;'
              = select_tag :ethnicity, ['Asian', 'Black', 'Biracial', 'Indian', 'Hispanic/Latin', 'Middle Eastern', 'Native American', 'Pacific Islander', 'White', 'Other'], prompt: 'ethnicity/race'

Answer 1

Try this

= select_tag :ethnicity, options_for_select(['Asian', 'Black', 'Biracial', 'Indian', 'Hispanic/Latin', 'Middle Eastern', 'Native American', 'Pacific Islander', 'White', 'Other'])

Note the options_for_select method

Source

Answer 2

select_tag(name, option_tags = nil, options = {}) public

Helpers::FormOptions can be used to create common select boxes such as countries, time zones, > or associated records. option_tags is a string containing the option tags for the select box.

http://apidock.com/rails/ActionView/Helpers/FormTagHelper/select_tag

The second parameter should be a HTML string - not an array. You can use options_for_select to generate option tags from an array.