Filling Worflow container with objects (OOAD)

Hi Gurus,
I have created a workflow,which has abap objects as container element. Can anyone let me know how can I fill the container element with object..I have tried with marcos as mentioned in the library..but not container is not filled ..plz advice....
Create a variable for the object reference. Use the following command to do this:
DATA <Object> TYPE SWC_OBJECT.
Create the object reference. Use the following command to do this:
SWC_CREATE_OBJECT <Object> <ObjectType> <ObjectKey>.
Write the object reference into the container using the following macro instruction:
SWC_SET_ELEMENT <Container> <ContainerElement> <Object>.
Thank you
- Senthil Bala

BalusC -- The line that gives me my NullPointerException is when I call the "DisplayProduct()" method. Its a dumb question, but with NetBeans how do I find out which reference could be null? I'm not very familiar with how NetBeans works with finding out how to debug. Any help you can give me would be greatly appreciated.The IDE is com-plete-ly irrelevant. It's all about the source code.
Do you understand anyway when and why a NullPointerException is been thrown? It is a subclass of RuntimeException and those kind of exceptions are very trival and generally indicate an design/logic/thinking fault in your code.
SomeObject someObject = null; // The someObject reference is null.
someObject.doSomething(); // Invoking a reference which is null would throw NPE.

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Edited by: abhishek sinha on May 8, 2009 7:42 PM
Edited by: abhishek sinha on May 8, 2009 8:45 PM

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Message was edited by:
tekicora

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Filling Worflow container with objects (OOAD)

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