app/views/sdb/sample_manifests/_upload.html.erb
<h2>Upload a sample manifest</h2>
<%= form_tag(sample_manifest_upload_with_tag_sequences_path, multipart: true) do -%>
<fieldset>
<div class="form-group">
<%= label_tag :upload, 'File to upload', style: "display: none;" %></br>
<%= file_field_tag :upload, required: true %>
</div>
<div class="form-group">
<%= check_box_tag :override %> <%= label_tag :override, 'Override previously uploaded samples' %>
</div>
<div class="form-group">
<%= submit_tag 'Upload manifest', class: 'btn btn-success' %>
</div>
</fieldset>
<% end -%>