We further investigate the case and with some additional tweaks in the data source, you can bind the treeview widget manually. Here is a concept demo
, which shows how to accomplish this task. Please note that this demo is just a proof-of-concept and there could be unsupported scenarios. What we have done is to return the available dimensions, hierarchies (empty array) and measures as they are required by the TreeView widget. From there everything works as expected.
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