Web Dynpro ABAP: How to do checkboxes in table column?

Hi,
In Web Dynpro for ABAP, I have a table, where one column consists of check boxes, and the user should be able to check some boxes in some lines. In the context of my view, I created a node tied to a DDIC structure, with some attributes. The attribute where I want to see the checkboxes is of type boolean. In the layout I create an element of type table. Then I create the binding to the context node and for the columns I use cell editor of the appropriate type, that is, checkbox. However, when I test my application, there are no checkboxes at all. What am I doing wrong?
Thanks,
Ira

>
Jenny Karunakaran wrote:
> Hi Jung,
>
> Thanks for the reply. But I dont know how to assign value set to this attribute(i.e. Context atribute to which filter value property is bound). Can I use a supply function for this ?
>
>
> Regards,
> Jenny
No. A value set and a supply function are two completely different things. You use this Context API to populate the value set for an attribute:
IF_WD_CONTEXT_NODE_INFO=>SET_ATTRIBUTE_VALUE_SET
Value Sets are also how ByKey UI elements (like the DropDownByKey) are built. Here is a help document that discusses value sets - but in the context of the ByKey UI elements. The process is the same for creating the value set however:
http://help.sap.com/saphelp_nw70ehp1/helpdata/en/bb/69b441b0133531e10000000a155106/frameset.htm

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Web Dynpro ABAP: How to do checkboxes in table column?

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