[cgiapp] Template Toolkit and Form Populating

["Jay Varner" <suppressed>]

I'm not sure if this is a CGI::Application or a Template Toolkit problem, but...

I'm trying to translate Dan Horne's nice tutorial on sitepoint.com
(http://www.sitepoint.com/article/cgi-application) to use the Template
Toolkit. I seem to be getting it all but populating the edit forms.
Adding new records work fine. Listing all the records is flawless.
Using the original example with the HTML::Template works just as it
should, but I really don't want to use the HTML::Template.

I'm really new to CGI::Application and I'm sure I'm missing something
obvious. Here is my code based of Horne's example (though I'm using it
to list articles and not users):

sub display_article_form {
   my $self = shift;
   my $errs = shift;
   my $q    = $self->query;

   my $id  = $q->param('id') || 0;
   # If we have an article id, then get the articles's details
   $self->_retrieve_article_details($id) if ($id);

   my $params = { id => $id };
	return $self->tt_process('article_form.tt', $params);
}

.......

sub _retrieve_article_details {
   my $self    = shift;
   my $id = shift;
   my $sql     = "SELECT * FROM articles WHERE id = ?";
   $self->dbh->{PrintError} = 0;
   $self->dbh->{RaiseError} = 1;

   my $sth = $self->dbh->prepare($sql);
   $sth->execute($id);
   my $rs = $sth->fetchrow_hashref();

   # Save each column (field) value in CGI::Application parameter
   foreach my $article_field (keys %$rs) {
      $self->param($article_field, $rs->{$article_field});
   }
}

.....

And then the template when called from
mysite.net/myapp.pl?rm=display_article_form&id=13

[% PROCESS site.html %]
<form action="" method="post">
 <table>
     <td>Title*</td>
     <td><input type="Text" name="title" size="15"
	      value="[% id %]">
	      </td>
   </tr>
   <tr>
     <td>Body*</td>
     <td><textarea name="body"  cols="40" rows="20">
	[% id.body %]
	      </textarea></td>
   </tr>

   <tr>
     <td colspan="2"><input type="Submit" value="Save"></td>
   </tr>
 </table>
 <input type="Hidden" name="id" value="[% id.id %]">
 <input type="Hidden" name="rm" value="maintain_article">
</form>

[% PROCESS site.footer %]

The template renders the the page just as it should but no values show
up in the fields. If I use just [% id %] it will print the id value in
the uri but it does not seem to actually be pulling the values from
the db.

The same template works fine for adding a new article. And again, the
HTML::Template from the original example works fine.

Thoughts?
Jay

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