A problem about bapi dd check

Hi, all.
I tried to use arfc2 to call a bapi to get PO data from R/3 in 7.1.1. So I did model binding for my component controller`s context. Then I tried to get the result from these parameters programly. But I always got dd check error.
For example. If an attribute "A" `s data type is int. But the attribute "A" is empty in R/3, so it always returns " " to the attribue "A". Then it will raise an dd check error. The bapi which I used is BAPI_PO_GET_LIST. There are many attributes with this bapi. How can I solve this problem?
Thanks.

Hi,
please check if the below link can help in your case.
[https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/oss_notes/sdn_oss_bc_db/~form/handler]
Regards
Narendra
Edited by: Narendra Singh on Apr 3, 2009 11:54 AM

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