<%= form_tag('./export_import') do %>

CSV content goes here:
<%= text_area_tag "csv_content", @csv_content, rows: 20, cols: 70 %>

Task: <%= select_tag "task", options_for_select(@tasks) %>

<%= submit_tag "Run task" %>

<% if !@error_message.nil? && @error_message != "" %>

Error message: <%= @error_message %>

<% end %>

Output area:

<% end %>