1. $q="Select SQL_CALC_FOUND_ROWS * from post_resume where ind_type='$industype' and career='$careerlevel' limit $cps, $rpp";
2.$q="Select SQL_CALC_FOUND_ROWS * from post_resume limit $cps, $rpp";
hi
i am doing paging in php.the first query is not working.the second one is not working........please do tell me the error.
<html>
<head>
<title>Record Set Paging with PHP</title>
</head>
<body>
<?php
@ $rpp; //Records Per Page
@ $cps; //Current Page Starting row number
@ $lps; //Last Page Starting row number
@ $a; //will be used to print the starting row number that is shown in the page
@ $b; //will be used to print the ending row number that is shown in the page
$industype=$_REQUEST['industype'];
$careerlevel=$_REQUEST['careerlevel'];
/////////////////////////////////////////////////////////////////////////////////
//Database connection
/////////////////////////////////////////////////////////////////////////////////
$hostname = "localhost";
$username = "my_username";
$password = "my_password";
$dbid = "careergl_sample";
$link=mysql_connect($hostname, $username, $password);
mysql_select_db($dbid) or die("unable to connect");
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
//Following IF Statement is used to make sure when the page is loaded for the
//first time, Current Page's Starting row number is 0, i.e. 1st row from the
//table is being printed. It will change as the user will click on next.
/////////////////////////////////////////////////////////////////////////////////
if(empty($_GET["cps"]))
{
$cps = "0";
}
else
{
$cps = $_GET["cps"];
}
/////////////////////////////////////////////////////////////////////////////////
$a = $cps+1;
$rpp = "10";
$lps = $cps - $rpp; //Calculating the starting row number for previous page
/////////////////////////////////////////////////////////////////////////////////
//Following IF Statement is used to make sure whether a link to Previous page is
//needed or not. If the user is viewing the first set of data then the link will
//be disabled, if on the next set then it will carry the $lps in its link and
//enable the link
if ($cps <> 0)
{
$prv = "<a href='paging.php?cps=$lps'>Previous</a>";
}
else
{
$prv = "<font color='cccccc'>Previous</font>";
}
/////////////////////////////////////////////////////////////////////////////////
/////////////////////////////////////////////////////////////////////////////////
//Following SQL Statement uses SQL_CALC_FOUND_ROWS function to calculate total
//number of rows found by the query excluding the limit function added at the
//end of the SQL statement. This is followed by second query with FOUND_ROWS()
//function which actually gives out the number of rows found.
/////////////////////////////////////////////////////////////////////////////////
// $q="Select SQL_CALC_FOUND_ROWS * from post_resume where ind_type='$industype' and career='$careerlevel' limit $cps, $rpp";
$q="Select SQL_CALC_FOUND_ROWS * from post_resume where ind_type='$industype' and career='$careerlevel' limit $cps, $rpp";
$rs=mysql_query($q) or die(mysql_error());
$nr = mysql_num_rows($rs); //Number of rows found with LIMIT in action
$q0="Select FOUND_ROWS()";
$rs0=mysql_query($q0) or die(mysql_error());
$row0=mysql_fetch_array($rs0);
$nr0 = $row0["FOUND_ROWS()"]; //Number of rows found without LIMIT in action
/////////////////////////////////////////////////////////////////////////////////
//Following IF Statement is used to determine whether the user has reached the
//last page of the records. For example, if we have 27 rows to print and we show
//10 rows per page, then on the third and the last page it will show seven rows
//and will say at the top that SHOWING RECORDS FROM 21 to 27. If the following
//validator is not used then it shows SHOWING RECORDS FROM 21 to 30.
/////////////////////////////////////////////////////////////////////////////////
if (($nr0 < 10) || ($nr < 10))
{
$b = $nr0;
}
else
{
$b = ($cps) + $rpp;
}
/////////////////////////////////////////////////////////////////////////////////
?>
<br>
<table border="0" cellpadding="4" cellspacing="1" width="90%" align="center">
<tr><td><b><font face="verdana" size=2>Records For </b></font><b><font face="verdana" size=2 color="#9999CC"><? echo $industype;?> <? echo "and";?> <? echo $careerlevel;?></font></b></td></tr>
<tr><td align=left colspan="2"><b><font face="verdana" size=1 color="#9999CC"><? echo "$nr0 Records Found"; ?></font></b></td></tr>
<tr><td align='left' colspan="2"><b><font face="verdana" size=1 color="#9999CC"><? echo "Showing Records from $a to $b"; ?></font></b></td></tr>
</tr>
<?
// echo "<table>";
while ($row=mysql_fetch_array($rs))
{
/////////////////////////////////////////////////////////////////////////////////
//This is used to show the serial number on the page as well as to count it up
//so that we can get the next page's starting row number when it exits the while
//loop after fullfilling the above SQL criteria.
/////////////////////////////////////////////////////////////////////////////////
$cps = $cps +1;
//$val=$row["resumetitle"];
//echo "<tr><td align='center'><font face=verdana>$cps</font></td><td align='center'><font fave=verdana>$val</font></td></tr>";
echo "<tr><td><font face='verdana' size=1><strong>Resume Title : </strong></font><a href='detailjob.php?id=".$row[0]."'>".$row[2]."</td><td><font face='verdana' size=1><strong>Owner: </strong></font>".$row[2]."</td></tr>";
echo "<tr><td><font face='verdana' size=1><strong>Industry Type: </strong></font>".$row[4]."</td><td><font face='verdana' size=1><strong>Career Level: </strong></font>".$row[5]."</td></tr>";
echo "<tr><td bgcolor='#008080'></td><td bgcolor='#008080'></td></tr>";
}
//echo "</table>";
echo "<tr><td align='right' colspan=2>$prv";
/////////////////////////////////////////////////////////////////////////////////
//Following IF Statement is used to determine whether the Next link will be
//enabled or disabled. If the user has reached the last page of the record, then
//the Next link will be disabled.
/////////////////////////////////////////////////////////////////////////////////
if ($cps == $nr0)
{
echo " | <font color='CCCCCC'>Next</font>";
}
else
{
if ($nr0 > 5)
{
echo " | <a href='paging.php?cps=$cps&lps=$lps'>Next</a>";
}
}
/////////////////////////////////////////////////////////////////////////////////
?>
</td>
</tr>
</table>
</body>
</html>
