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January 4th, 2009, 12:22 AM
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#1 (permalink) |
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Registered User
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Joined in Mar 2006
Lives in KS
Hosted on SH72
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Pagination ?
I know very little about pagination. I was having problems with a different script earlier and tried another one. This script works up until the point you click on another link.
The link is "http://localhost/project/search.php?page=2" but all it does is display a blank page, properly formatted. No information, no results, no nothing. How do I fix this? Code:
<?php
session_start();
include 'connect/project.htm';
$smajor = $_POST['major'];
?>
<html>
<head>
<title>Intranet - <?php echo $smajor ?> Workings</title>
<link href="images/favicon.ico" rel="shortcut icon" type="image/x-icon" />
<link rel="stylesheet" href="singlec.css" type="text/css" />
<link rel="stylesheet" href="constant.css" type="text/css" />
</head>
<body>
<div id="tail">
<div class="main">
<div id="top">
<div id="logo">
<a href="index.php"><img src="images/logo.png" alt="" /></a>
</div>
<div class="right">
<div id="topmenuposition">
</div>
<div id="topmenu">
<div class="module_s10">
<div>
<div>
<div>
<ul class="menu-nav">
<li class="item60"><a href="index.php"><span><em>Home</em></span></a></li>
<li class="item29"><a href="aboutus.php"><span><em>About Us</em></span></a></li>
<li class="item54"><a href="resources.php"><span><em>Resources</em></span></a></li>
<li class="item55"><a href="press.php"><span><em>Press/Media</em></span></a></li>
<li class="item56"><a href="contact.php"><span><em>Contact Us</em></span></a></li></ul> </div>
</div>
</div>
</div>
</div>
</div>
</div>
<div id="header">
<div class="bg-right">
<div class="bg-left">
<div class="space"><img src="images/banner.png" alt="" /></div>
</div>
</div>
</div>
<div id="breadcrumb">
<div class="module_breadcrumb">
<div>
<div>
<div>
<span class="breadcrumbs pathway">
</span>
</div>
</div>
</div>
</div>
</div>
<div id="wrapper">
<div class="indent">
<div id="right">
<?php include 'mmenu.php'; ?>
<?php include 'linmenu.php'; ?>
</div>
<div id="content">
<div class="content-tl">
<div class="content-tr">
<div class="width">
<div id="boxes">
<div id="box1">
<div class="module">
<div class="first">
<div class="sec min-height">
<div class="box-indent">
<div class="width">
<h3><span><?php echo $smajor ?> Workings:</span></h3>
<table width="95%" border="0" cellspacing="0" cellpadding="1" class="boxtitle">
<?php
$tbl_name="thelist";//your table name
// How many adjacent pages should be shown on each side?
$adjacents = 3;
/*
First get total number of rows in data table.
If you have a WHERE clause in your query, make sure you mirror it here.
*/
$query = "SELECT COUNT(*) as num FROM $tbl_name WHERE dmajorp = '$smajor' ORDER BY jposted";
$total_pages = mysql_fetch_array(mysql_query($query));
$total_pages = $total_pages[num];
/* Setup vars for query. */
$targetpage = "search.php"; //your file name (the name of this file)
$limit = 4; //how many items to show per page
$page = $_GET['page'];
if($page)
$start = ($page - 1) * $limit; //first item to display on this page
else
$start = 0;//if no page var is given, set start to 0
/* Get data. */
$sql = "SELECT * FROM $tbl_name WHERE dmajorp = '$smajor' ORDER BY jposted LIMIT $start, $limit";
$result = mysql_query($sql);
/* Setup page vars for display. */
if ($page == 0) $page = 1;//if no page var is given, default to 1.
$prev = $page - 1;//previous page is page - 1
$next = $page + 1;//next page is page + 1
$lastpage = ceil($total_pages/$limit);//lastpage is = total pages / items per page, rounded up.
$lpm1 = $lastpage - 1;//last page minus 1
/*
Now we apply our rules and draw the pagination object.
We're actually saving the code to a variable in case we want to draw it more than once.
*/
$pagination = "";
if($lastpage > 1)
{
$pagination .= "<div class=\"pagination\">";
//previous button
if ($page > 1)
$pagination.= "<a href=\"$targetpage?page=$prev\">« previous </a>";
else
$pagination.= "<span class=\"disabled\">« previous </span>";
//pages
if ($lastpage < 7 + ($adjacents * 2))//not enough pages to bother breaking it up
{
for ($counter = 1; $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter </a>";
}
}
elseif($lastpage > 5 + ($adjacents * 2))//enough pages to hide some
{
//close to beginning; only hide later pages
if($page < 1 + ($adjacents * 2))
{
for ($counter = 1; $counter < 4 + ($adjacents * 2); $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter </a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1 </a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage </a>";
}
//in middle; hide some front and some back
elseif($lastpage - ($adjacents * 2) > $page && $page > ($adjacents * 2))
{
$pagination.= "<a href=\"$targetpage?page=1\">1 </a>";
$pagination.= "<a href=\"$targetpage?page=2\">2 </a>";
$pagination.= "...";
for ($counter = $page - $adjacents; $counter <= $page + $adjacents; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter </a>";
}
$pagination.= "...";
$pagination.= "<a href=\"$targetpage?page=$lpm1\">$lpm1 </a>";
$pagination.= "<a href=\"$targetpage?page=$lastpage\">$lastpage </a>";
}
//close to end; only hide early pages
else
{
$pagination.= "<a href=\"$targetpage?page=1\">1 </a>";
$pagination.= "<a href=\"$targetpage?page=2\">2 </a>";
$pagination.= "...";
for ($counter = $lastpage - (2 + ($adjacents * 2)); $counter <= $lastpage; $counter++)
{
if ($counter == $page)
$pagination.= "<span class=\"current\">$counter</span>";
else
$pagination.= "<a href=\"$targetpage?page=$counter\">$counter </a>";
}
}
}
//next button
if ($page < $counter - 1)
$pagination.= "<a href=\"$targetpage?page=$next\">next » </a>";
else
$pagination.= "<span class=\"disabled\">next »</span>";
$pagination.= "</div>\n";
}
?>
<?php
while($row = mysql_fetch_array($result))
{extract($row);
?>
<thead>
<tr><td>
<a href="showad.php?id=<?php echo $id; ?>"><?php echo $jtitle; ?></a> - $<?php echo $salary; ?>
</td></tr>
</thead>
<tr><td> <?php if (strlen($poverview) > 240) {
$poverview = substr($poverview, 0, 239) . '...'; } echo $poverview; ?></td></tr>
<tr><td><b><font color="lightgreen">Experience Desired: </font></b><?php echo $wexperience; ?> <b><font color="lightgreen">Location:</font></b> <?php echo $city; ?>, <?php echo $state; ?> <?php echo $zipcode; ?></td></tr>
<tr><td><h3> </h3></td></tr>
<?php } ?>
</table>
<?=$pagination?>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
<div id="footer">
<div class="bg">
<div class="right-bg">
<div class="left-bg">
<div class="space">
© 2009
</div>
</div>
</div>
</div>
</div>
</body>
</html>
__________________
~CJA~ 72.29.78.93 |
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January 4th, 2009, 12:55 AM
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#2 (permalink) |
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Registered User
Comfy Contributor
Joined in Mar 2006
Lives in KS
Hosted on SH72
181 posts
Gave thanks: 30
Thanked 0 times
|
I think I figured it out. I think it has to do with $smajor = $_POST['major']; which is called at the very beginning. When you go to the second page there is nothing posted so it's not calling that.
Perhaps setting this as a session variable?
__________________
~CJA~ 72.29.78.93 |
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January 4th, 2009, 1:03 AM
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#4 (permalink) |
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Registered User
Comfy Contributor
Joined in Mar 2006
Lives in KS
Hosted on SH72
181 posts
Gave thanks: 30
Thanked 0 times
|
I FIGURED IT OUT!!!!!!!!! YES! It was exactly what I thought it was. 5 hours later. LoL
Code:
if (!$_POST['major'] == NULL)
{unset($_SESSION['smajor']);
$_SESSION['smajor'] = $_POST['major'];
$smajor = $_POST['major'];
}
else $smajor = $_SESSION['smajor']
__________________
~CJA~ 72.29.78.93 |
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