Displaying records of listbox to datagrid.

++++Here is my code in to call the records from the list box that must be display in the datagrid.

<?php

$a = $_GET[$query1];
$b = $_GET[$query2];

mysql_connect("localhost", "root", "") or die ('Error'.mysqlerror());
mysql_select_db("sched");



$query="INSERT INTO try (section,grp) values ('".$a."','".$b."')";

mysql_query($query) or die ('Error Cannnot Insert Records!');

?>  

<?php
	
		
	// file: ex1.php
	require 'class.eyemysqladap.inc.php';
	require 'class.eyedatagrid.inc.php';
	
	// Load the database adapter
	$db = new EyeMySQLAdap('localhost', 'root', '', 'sched');

	$dg = new EyeDataGrid($db); // Load the datagrid class
	// Fetch all rows and columns from the `people` table
	$dg->setQuery("*", "try");

	// Print the table
	$dg->printTable(); 

?>

++++code to insert a record.

<label>Section/Group:</label>
<?php
$link = mysql_connect("localhost", "root", "");
mysql_select_db("sched");

$query1 = "SELECT CONCAT(Section,Grp) AS sec FROM Section";

$result = mysql_query($query1);
print "<SELECT name=item>";
while ($line = mysql_fetch_array($result))
{
foreach ($line as $value)
{
print "<OPTION value='$value'";
}
print ">$value</OPTION>";
}
mysql_close($link);
print "</SELECT>";
?>
</span></p>
  </form>
  <form id="form3" method="post" action="">
    <p>
      <span class="style4">
      <label>Subject</label>
      </span>
      <label></label>
      <span class="align_left">

<?php
$link = mysql_connect("localhost", "root", "");
mysql_select_db("sched");

$query2 = "SELECT CONCAT(subjCode,subjDesc) as subj FROM Subject";

$result = mysql_query($query2);
print "<SELECT name=item>";
while ($line = mysql_fetch_array($result))
{
foreach ($line as $value)
{
print "<OPTION value='$value'";
}
print ">$value</OPTION>";
}
mysql_close($link);
print "</SELECT>";
?>
      </span></p>
  </form>