Ruby on Rails

I was trying to create custom view pages in ROR as seen in  http://blog.hulihanapplications.com/browse/view/55...    then i got some errors  **********************************************    (erb):6:in `template': compile error (SyntaxError)  (erb):3: syntax error, unexpected $undefined  ...orm", :locals => {:object => @<%= singular_name ).to_s); _er...                                ^  (erb):3: syntax error, unexpected '}', expecting ')'  ...s); _erbout.concat ", :f => f} %> \n\n<%= link_to 'Show', @"                                ^  (erb):5: syntax error, unexpected tIDENTIFIER, expecting ')'  ...out.concat " %> |\n<%= link_to 'Back', "                                ^  (erb):6: syntax error, unexpected tIDENTIFIER, expecting ')'  ; _erbout.concat(( plural_name ).to_s); _erbout.concat "_path %>\n"                                                               ^  (erb):6: unterminated string meets end of file  (erb):6: syntax error, unexpected $end, expecting ')'  ; _erbout           ^    My edit page is  **********************************************    <h1>Editing <%= singular_name %></h1>    <%= render :partial => "_form", :locals => {:object => @<%=  singular_name %>, :f => f} %>    <%%= link_to 'Show', @<%= singular_name %> %> |  <%%= link_to 'Back', <%= plural_name %>_path %>    My partial form "form" is        <% for column in object.class.columns %>        <% if column.name != "id" %>        <div class="field">          <div class="label">            <%= f.label "#{column.name}".to_sym  %>        </div>            <% if column.type == :integer || column.type == :float ||  column.type == :string %>          <% if column.name =~ /_id$/ # is this a id/foreign key field %>            <% column_class = column.name.gsub(/_id$/,  '').classify.constantize %>            <% if column_class %>              <%= collection_select(object.class.name.underscore.to_sym,  column.name.to_sym, column_class.all, :id, :name, :prompt => true) %>            <% else %>              <%= f.text_field column.name.to_sym  %>            <% end %>          <% else %>            <%= f.text_field column.name.to_sym  %>          <% end %>        <% elsif column.type == :text %>          <%= f.text_area column.name.to_sym  %>        <% elsif column.type == :datetime %>          <%= f.datetime_select column.name.to_sym  %>        <% elsif column.type == :boolean %>          <%= f.check_box column.name.to_sym  %>        <% else %>          <% # Unknown Column Type %>        <% end %>        </div>      <% end %>      <% end %>    This was the default edit page  **********************************************    <h1>Editing <%= singular_name %></h1>    <%% form_for(@<%= singular_name %>) do |f| %>    <%%= f.error_messages %>    <% for attribute in attributes -%>    <p>      <%%= f.label :<%= attribute.name %> %><br />      <%%= f.<%= attribute.field_type %> :<%= attribute.name %> %>    </p>  <% end -%>    <p>      <%%= f.submit 'Update' %>    </p>  <%% end %>    <%%= link_to 'Show', @<%= singular_name %> %> |  <%%= link_to 'Back', <%= plural_name %>_path %>

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