Using data web beans with data tags

I've a master-detail relationship, and i use a view current record to show the master record and a row tag in create mode, to insert a record in the detail table.
Do i need to populate the primary key of detail table or they are automatically populate like edit current record?
Thanks
null

Your DataWebBean is using a different application module instance thatn your datatags. Make the following changes:
1. remove the calls to
<%
// make sure the application is registered
oracle.jbo.html.jsp.JSPApplicationRegistry.registerApplicationFromPropertyFile(session , "PrjSegJSP_PkgSeg_PkgSegModule");
%>
2. change the following statement
tb.initialize(application,session, request,response,out,"PrjSegJSP_PkgSeg_PkgSegModule.KssegtrolesView");
to
tb.initialize(application,session, request,response,out,"PkgSegModule.KssegtrolesView");
3. Add a releaseAppResources tag to the end of both pages. The KssegtrolesView_Insert.jsp page should use reserved mode and the KssegtrolesView_SubmitInsertForm.jsp should be suing stateful mode.
You have now told the DWB to use the same am pool and application instance as the DataTag.
null

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