Question

Dreamweaver Navigation Bar Problem

Asked by: havenboy

HI, I am fairly new to Dreamweaver CS3 and dynamic websites, I have been working non-stop this week and have several record sets set up and they are dynamically populating tables wth repeat region data from a PHP/MySQL database.

When I display an entire record set the records display correctly.

My problem is when I use a (text field) filter within Dreamweaver (currently single parameter) to define the recordset I want to display in my dynamic table the first page loads pefectly but using the navigation bar "forward arrow" the second page loads but the table results are empty. And any subsequent forward/back arrow usage means empty tables as well.

I think this is because the variable I define as my text field (i.e. search term) to populate the table is not carrying over to the second page (via the nav button), any heplp on this issue wuld be much appreciated
Thank you in advance for any help offered

<?php require_once('Connections/connRecord.php'); ?>
<?php
$currentPage = $_SERVER["PHP_SELF"];
 
$maxRows_rsSearchResults = 40;
$pageNum_rsSearchResults = 0;
if (isset($_GET['pageNum_rsSearchResults'])) {
  $pageNum_rsSearchResults = $_GET['pageNum_rsSearchResults'];
}
$startRow_rsSearchResults = $pageNum_rsSearchResults * $maxRows_rsSearchResults;
 
$colname_rsSearchResults = "-1";
if (isset($_POST['search'])) {
  $colname_rsSearchResults = (get_magic_quotes_gpc()) ? $_POST['search'] : addslashes($_POST['search']);
}
mysql_select_db($database_connRecordGuide, $connRecordGuide);
$query_rsSearchResults = sprintf("SELECT `PRIMARY`, fld_artist_key, fld_title, fld_catalogue, fld_value_08 FROM tbl_albums WHERE fld_artist_key LIKE '%%%s%%'", $colname_rsSearchResults);
$query_limit_rsSearchResults = sprintf("%s LIMIT %d, %d", $query_rsSearchResults, $startRow_rsSearchResults, $maxRows_rsSearchResults);
$rsSearchResults = mysql_query($query_limit_rsSearchResults, $connRecordGuide) or die(mysql_error());
$row_rsSearchResults = mysql_fetch_assoc($rsSearchResults);
 
if (isset($_GET['totalRows_rsSearchResults'])) {
  $totalRows_rsSearchResults = $_GET['totalRows_rsSearchResults'];
} else {
  $all_rsSearchResults = mysql_query($query_rsSearchResults);
  $totalRows_rsSearchResults = mysql_num_rows($all_rsSearchResults);
}
$totalPages_rsSearchResults = ceil($totalRows_rsSearchResults/$maxRows_rsSearchResults)-1;
 
$queryString_rsSearchResults = "";
if (!empty($_SERVER['QUERY_STRING'])) {
  $params = explode("&", $_SERVER['QUERY_STRING']);
  $newParams = array();
  foreach ($params as $param) {
    if (stristr($param, "pageNum_rsSearchResults") == false && 
        stristr($param, "totalRows_rsSearchResults") == false) {
      array_push($newParams, $param);
    }
  }
  if (count($newParams) != 0) {
    $queryString_rsSearchResults = "&" . htmlentities(implode("&", $newParams));
  }
}
$queryString_rsSearchResults = sprintf("&totalRows_rsSearchResults=%d%s", $totalRows_rsSearchResults, $queryString_rsSearchResults);
?><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
 
<title>Untitled Document</title>
 
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
 
 
 
 
 
 
<link href="Accessible_Design.css" rel="stylesheet" type="text/css" />
<style type="text/css">
<!--
body {
	background-color: #000000;
}
.style2 {color: #FFFFFF}
.style3 {color: #FF0000}
.style4 {color: #FF0000; font-size: small; }
-->
</style></head>
<body class="BodyBackgroundColor">
<img src="spacer.gif" alt="Skip to Content" width="1" height="1" />
<table width="100%" border="0" cellpadding="4" cellspacing="0">
  <tr>
    <td height="114" class="HeaderColor style2"><img src="" alt=" Thumbnail Image" name="image" width="100" height="81" id="image" /></td>
    <td width="100%" class="HeaderColor style2"><table width="573" border="1" cellpadding="2" cellspacing="1" bordercolor="#FF0000">
      <tr valign="bottom" bordercolor="#FF0000">
        <td width="573" class="NavigationBackgroundColor" style="text-align: center"><a href="rrpg_advsearch.html" class="style4">Advanced Search </a> </td>
        <td width="573" class="NavigationBackgroundColor" style="text-align: center"><a href="rrpg_forums.html" class="style4">Forums</a> </td>
        <td width="573" class="NavigationBackgroundColor" style="text-align: center"><a href="rrpg_grading.html" class="style4">Grading/Glossary</a> </td>
        <td width="573" class="NavigationBackgroundColor" style="text-align: center"><a href="rrpg_faq.html" class="style4">FAQ</a> </td>
        <td width="573" class="NavBackgroundColor" style="text-align: center"><a href="rrpg_contactus.html" class="style4">Contact Us </a> </td>
      </tr>
    </table>
        <table width="573" height="25" border="1" bordercolor="#FF0000">
          <tr align="left" valign="top">
            <th width="263" height="38" scope="col"><div align="left">
                <form id="searchart" name="searchart" method="get" action="rrpg_results.php">
                  Artist
                  <label for="textfield"></label>
                  <input type="text" name="search" id="search" />
                  <label for="Submit"></label>
                  <input type="submit" name="Submit" value="Go" id="Submit" />
              </form>
            </div></th>
            <th width="257" scope="col"><form id="searchtit" name="searchtit" method="post" action="rrpg_resultstit.php">
                <label for="label"></label>
              Title
              <input type="text" name="searchtitle" id="label" />
              <label for="label2"></label>
              <input type="submit" name="Submit2" value="Go" id="label2" />
            </form></th>
          </tr>
      </table></td>
  </tr>
</table>
<p class="style2">&nbsp;</p>
 
<table border="1" cellpadding="2" cellspacing="2">
  <tr align="center" valign="top">
    <td height="25"><span class="style2 style2 style3">Record No. </span></td>
    <td height="25"><span class="style3">Artist Key </span></td>
    <td height="25"><span class="style3">Title</span></td>
    <td height="25"><span class="style3">Catalogue</span></td>
    <td height="25"><span class="style2">Value</span></td>
  </tr>
  <?php do { ?>
    <tr>
      <td><span class="style2"><a href="rrpg_detail.php?recordID=<?php echo $row_RsRecordTable['PRIMARY']; ?>"><?php echo $row_rsSearchResults['PRIMARY']; ?></a></span></td>
      <td><span class="style2"><?php echo $row_rsSearchResults['fld_artist_key']; ?></span></td>
      <td><span class="style2"><?php echo $row_rsSearchResults['fld_title']; ?></span></td>
      <td><span class="style2"><?php echo $row_rsSearchResults['fld_catalogue']; ?></span></td>
      <td><span class="style2"><?php echo $row_rsSearchResults['fld_value_08']; ?></span></td>
    </tr>
    <?php } while ($row_rsSearchResults = mysql_fetch_assoc($rsSearchResults)); ?>
</table>
<p class="style2"> Records <?php echo ($startRow_rsSearchResults + 1) ?> to <?php echo min($startRow_rsSearchResults + $maxRows_rsSearchResults, $totalRows_rsSearchResults) ?> of <?php echo $totalRows_rsSearchResults ?>
<table border="0" width="50%" align="center">
  <tr>
    <td width="23%" align="center"><?php if ($pageNum_rsSearchResults > 0) { // Show if not first page ?>
        <a href="<?php printf("%s?pageNum_rsSearchResults=%d%s", $currentPage, 0, $queryString_rsSearchResults); ?>"><img src="First.gif" border=0></a>
        <?php } // Show if not first page ?>
    </td>
    <td width="31%" align="center"><?php if ($pageNum_rsSearchResults > 0) { // Show if not first page ?>
        <a href="<?php printf("%s?pageNum_rsSearchResults=%d%s", $currentPage, max(0, $pageNum_rsSearchResults - 1), $queryString_rsSearchResults); ?>"><img src="Previous.gif" border=0></a>
        <?php } // Show if not first page ?>
    </td>
    <td width="23%" align="center"><?php if ($pageNum_rsSearchResults < $totalPages_rsSearchResults) { // Show if not last page ?>
        <a href="<?php printf("%s?pageNum_rsSearchResults=%d%s", $currentPage, min($totalPages_rsSearchResults, $pageNum_rsSearchResults + 1), $queryString_rsSearchResults); ?>"><img src="Next.gif" border=0></a>
        <?php } // Show if not last page ?>
    </td>
    <td width="23%" align="center"><?php if ($pageNum_rsSearchResults < $totalPages_rsSearchResults) { // Show if not last page ?>
        <a href="<?php printf("%s?pageNum_rsSearchResults=%d%s", $currentPage, $totalPages_rsSearchResults, $queryString_rsSearchResults); ?>"><img src="Last.gif" border=0></a>
        <?php } // Show if not last page ?>
    </td>
  </tr>
</table>
</p>
first page ?>
          First
</td>

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Asked On: 2009-08-25 at 06:54:33ID24679814
Tags: navigation bar recordset paging repeat region
Topics: Adobe Dreamweaver
,; Developer Tools
,; MySQL Server
Participating Experts: 2
Points: 500
Comments: 9

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Answers

by: jason1178Posted on 2009-08-25 at 19:13:02ID: 25183967

>> I think this is because the variable I define as my text field (i.e. search term) to populate the table is not carrying
>> over to the second page

You are correct. See lines 12-15 above:

$colname_rsSearchResults = "-1";
if (isset($_POST['search'])) {
$colname_rsSearchResults = (get_magic_quotes_gpc()) ? $_POST['search'] : addslashes($_POST['search']);
}

This indicates that you are using the contents of a form field called "search" to limit the database. Furthermore, you are POSTing the form. So the first time the form is submitted, the $_POST array is set. But as soon as you navigate again (via the navigation bar), the $_POST variable is no longer set.

You have two choices here.

1) Use method=get instead of method=post in the original form. That will write the search terms to the query string and the navigation bar behavior will adapt. You will need to redefine the rsSearchResults recordset to filter on URL Parameter instead of Form Parameter (change $_POST to $_GET).

2) Keep the form the same way, but add some PHP code that writes $_POST['search'] to a session variable. In this case, you would then redefine rsSearchResults to filter on Session Variable.

Depending on how comfortable you are with PHP at this point, #1 is easier to accomplish. #2 is more elegant but requires some knowledge about how PHP sets and handles session variables.

by: v2MediaPosted on 2009-08-25 at 20:53:11ID: 25184313

Hmm, the search form submits using GET: -
<form id="searchart" name="searchart" method="get" action="rrpg_results.php">

Yet the colparam snippet is expecting POST vars.
if (isset($_POST['search'])) {
$colname_rsSearchResults = (get_magic_quotes_gpc()) ? $_POST['search'] : addslashes($_POST['search']);
}

I recon changing the colparam to GET would do the trick, because then this lil snippet transferrs the search value to via the querystring:
if (count($newParams) != 0) {
$queryString_rsSearchResults = "&" . htmlentities(implode("&", $newParams));
}

So, all you would have to do is change the colparam code...

if (isset($_GET['search'])) {
  $colname_rsSearchResults = (get_magic_quotes_gpc()) ? $_GET['search'] : addslashes($_GET['search']);
}

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by: v2MediaPosted on 2009-08-25 at 20:54:32ID: 25184316

ie - jason's #1

by: jason1178Posted on 2009-08-25 at 20:57:55ID: 25184330

>> Hmm, the search form submits using GET:

There are two forms. One is using POST, the other GET:

<form id="searchart" name="searchart" method="get" action="rrpg_results.php">

<form id="searchtit" name="searchtit" method="post" action="rrpg_resultstit.php">

So now I'm a little confused as to which is which.

by: v2MediaPosted on 2009-08-25 at 21:08:58ID: 25184378

Deep hole Alice.

by: jason1178Posted on 2009-08-25 at 21:14:49ID: 25184396

I think we are using this form:

<form id="searchart" name="searchart" method="get" action="rrpg_results.php">

as it has the "search" field in it. However, since that form is GET, the rsSearchResults recordset shouldn't work at all since it is looking for a POST variable. So I'm not sure what you are seeing, havenboy.

Also, not a part of this question but I just noticed this:

SELECT `PRIMARY`,

You really, really should not name your columns using MySQL reserved words. Dreamweaver will attempt to escape them for you but will not always be successful.

by: havenboyPosted on 2009-08-26 at 03:58:15ID: 25186194

Guys, you are absolute legends, I am going to try this now, sorry for the late reply but I am on UK time. As soon as I correct this I will add on the accepted answer as well.

I will go for otion #1 from your guidance I have only been working with Dreanweaver and PHP for about 4 days so I think it will be easier for me a this stage.

The reason for the two form submits "search" and searchtit" is becuase I have two seperate forms searching two seperate columns in my database from the same page (they achieve the same result though), I have the feeling that this is not the best way of doing this and I should be able to achieve this through a single piece of code, but like I say I am just warming up!!

Once I get the right result I wil be changing both of them to the answer given in any case.

Thank you again for your help, I wll be back on soon.

by: havenboyPosted on 2009-08-26 at 05:21:05ID: 31620160

I have tested this and it works perfectly. I had juggled the settings so many times trying to get this right and to have a quick response that is clear and concise, writen by an expert is invaluable. Thank you to everyone who posted replies to my query. Once again I extend my appreciation for your response.

by: havenboyPosted on 2009-08-26 at 05:25:48ID: 25186766

The reason that I was getting results using the seperate POST and GET statements in the same code, was because I was trying all sorts of variations to try and get it to tie up with the mutiltude of different web searches and forums I had tried previously (i.e. the code I posted was not the nearest I had got to correct code, but it showed the mess I got into trying to attempt different variations on the POST and GET commands/URL and FORM variables). Your response was perfect it meant I could go back in with a clear path in my mind of how to use these commands, and not only that but means that the principles behind the reasoning and struture of perfroming these actions is also now clear.

Many, many thanks

20120131-EE-VQP-002

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Dreamweaver Navigation Bar Problem

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navigation bar recordset paging repeat region

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