Problem in displaying extension data at item level in JSP!!!

Hi Experts,
I am facing a problem when i try to display extension data in JSP. This is how i have coded in CRM system and in JSP:
After searching an order in the webshop let say order no 1, and i ll select this order no .1. Now the BADI CRM_ISA_BASKET_ITEMS is triggered and in the method getitems_getdata, i have written a code with hard coded values like this:
method IF_EX_CRM_ISA_BASKET_ITEMS~GETITEMS_GET_DATA..
data:wa_extension like line of ct_extension.
wa_extension-ref_guid = '498AB6EC7B623152E1000000AC1383C5'.(ref guid is item guid of the order 1)
wa_extension-name = 'Z_CustomItemExtData'.
wa_extension-value = 'he is a good boy'(hardcoded value) .
append wa_extension to ct_extension.
endmethod.
And in JSP i have written code like this to display:
<%-- code for extension data --%>
<tr>
<td class="identifier">Ext data</td>
<td class="value" ><%= JspUtil.encodeHtml(orderitem.getExtensionData("Z_CustomItemExtData")) %></td>
</tr>
But i am not getting the value in the JSP which i have hard coded in the BADI method. Is there any thing wrong in the above code? Please help me in this as i am very much new to ABAP.
Thanks a lot in Advance!!
Regards,
lakshman.

hi,
did you hardcode the ref-guid too? This could be the problem.
Regards
Michael

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