working example with url parameter
try this, hope it works...
$colname_Recordset1 = "-1";
if (isset($_GET['o'])) {
$colname_Recordset1 = (get_magic_quotes_gpc()) ? $_GET['o'] : addslashes($_GET['o']);
}
mysql_select_db($database_connection, $connection);
$query_Recordset1 = sprintf("SELECT * FROM tblcategory WHERE `Description` LIKE %s", GetSQLValueString("%" . $colname_Recordset1 . "%", "text"));
$Recordset1 = mysql_query($query_Recordset1, $connection) or die(mysql_error());
$row_Recordset1 = mysql_fetch_assoc($Recordset1);
$totalRows_Recordset1 = mysql_num_rows($Recordset1);