[Progress Communities] [Progress OpenEdge ABL] Forum Post: Dataset get-changes get a subset

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jacky

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Hi, Quite new to datasets. I have a dataset with 3 levels. Parent, detail and subdetail. With the trackchanges on every buffer I did some changes OriginalDatset Beforbuffer Parent Detail Subdetail Afterbuffer P1 D11 (original) D11 SD111 SD112 P2 D12 D21 SD211 (original) SD211 SD212 P3(Original) P3 D22 SD221 D31 SD311 SD312 When I do a HdsChanges:get-changes(originaldataste, true), I receive all the changes for the complete dataset. I need a dataset per top-buffer, because depending on the contents of that buffer I want to invoke a method on an appsever with input-output dataset-handle only the dataset with de content of top-buffer P1. For top-buffer (P2) maybe we need to invoke on another appserver. Ect. The idea is to make manually separate datasets with an identically copy of the beforebuffer and the tables . For parent buffer 1 I need a dataset with follow contents : Datset P1 Beforebuffer Parent Detail Subdetail Afterbuffer P1 D11 (original) D11 SD111 SD112 How can I do this copy? Buffer per buffer via buffer-copy. But how can I copy a before-buffer in the before table of the new dataset. A beforetable we can not manage. Thanks for advice.

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