app/views/admin/user_datas/store_credits/edit.html.erb
<h3> Change <%= customer.name.possessive %> Store Credit </h3>
<ul>
<li>
<label>Current Amount:</label>
<%= number_to_currency customer.store_credit_amount %>
</li>
</ul>
<%= form_for customer, url: admin_user_datas_user_store_credits_path( customer ) do |f| %>
<%= render partial: 'form', locals: { f: f } %>
<div class="actions"><%= f.submit 'Update' , class: 'button' %></div>
<% end %>