static function DeleteType()
 {
     global $zdbh;
     global $controller;
     $numrecords = 0;
     $type = $controller->GetControllerRequest('FORM', 'inType');
     $sql = "SELECT COUNT(*) FROM x_dns WHERE dn_type_vc = :type AND dn_deleted_ts IS NULL";
     $numrows = $zdbh->prepare($sql);
     $numrows->bindParam(':type', $type);
     if ($numrows->execute()) {
         if ($numrows->fetchColumn() != 0) {
             $type = $controller->GetControllerRequest('FORM', 'inType');
             $sql = $zdbh->prepare("SELECT * FROM x_dns WHERE dn_type_vc = :type AND dn_deleted_ts IS NULL");
             $sql->bindParam(':type', $type);
             $sql->execute();
             while ($row = $sql->fetch()) {
                 $time = time();
                 $type = $controller->GetControllerRequest('FORM', 'inType');
                 $delete_record = $zdbh->prepare("UPDATE x_dns SET dn_deleted_ts=:time WHERE dn_id_pk = :dn_id_pk AND dn_type_vc = :type");
                 $delete_record->bindParam(':time', $time);
                 $delete_record->bindParam(':dn_id_pk', $row['dn_id_pk']);
                 $delete_record->bindParam(':type', $type);
                 $delete_record->execute();
                 $numrecords++;
             }
             self::$deletedtype = $numrecords;
             self::$type = $controller->GetControllerRequest('FORM', 'inType');
         }
     }
 }