app/views/events/_form.html.erb


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<%= form_with(model: event) do |form| %>
  <% if event.errors.any? %>
    <div style="color: red">
      <h2><%= pluralize(event.errors.count, "error") %> prohibited this event from being saved:</h2>

      <ul>
        <% event.errors.each do |error| %>
          <li><%= error.full_message %></li>
        <% end %>
      </ul>
    </div>
  <% end %>

  <div>
    <%= form.label :date, style: "display: block",  class: "form-label" %>
    <%= form.date_field :date, class: "form-control" %>
  </div>

  <div>
    <%= form.label :name, style: "display: block",  class: "form-label" %>
    <%= form.text_field :name,  class: "form-control" %>
  </div>

  <div>
    <%= form.submit class: "btn btn-primary mt-2"%>
  </div>
<% end %>