[dbforms] why sorting doesn't work

[kangi]

hi,   i have one field called id which is a primary key and sortable, i want to sort records by this field, but why it doesn't work, the following is the slice of my dbform-config.xml and jsp page:   dbform-config.xml   ....   <table name="ODS_CUSTOMER"              defaultVisibleFields="NAME" >   <field name="ID" fieldType="number" size="18" isKey="true" sortable="true"/>   <field name="OID" fieldType="number" size="18"/>   <field name="NAME" fieldType="varchar2" size="2000"/>   <field name="ADDRESS" fieldType="varchar2" size="2000"/>   <field name="ABBREVCN" fieldType="varchar2" size="2000"/>   <field name="CONTACTORNAME" fieldType="varchar2" size="2000"/>   <field name="ABBREVPY" fieldType="varchar2" size="2000"/>   <field name="PHONE" fieldType="varchar2" size="2000"/>   <field name="FAX" fieldType="varchar2" size="2000"/>   <field name="EMAIL" fieldType="varchar2" size="2000"/>   <field name="OLDNAME" fieldType="varchar2" size="2000"/>   <field name="REGIONID" fieldType="number" size="18"/>   <field name="NO" fieldType="varchar2" size="2000"/>   <field name="BANK" fieldType="varchar2" size="2000"/>   <field name="COUNT" fieldType="varchar2" size="2000"/>   <field name="FILENO" fieldType="varchar2" size="2000"/>   <field name="PARENTCUSTOMERID" fieldType="number" size="18"/>     <!-- add "granted-privileges" element for security constraints -->    </table>  .....     ODS_CUSTOMER_list.jsp:     ...     <db:dbform multipart="false" autoUpdate="false" followUp="/ODS_CUSTOMER_list.jsp" maxRows="*" tableName="ODS_CUSTOMER" orderBy="NAME">     <db:header>     <db:errors/>  <table align="center" >     <tr class="clsHeaderDataTableRow">     <td><db:sort fieldName="ID"/></td> ...