connecting to dynamic web url - problem with m query

Hi Anonymous ,

As far as I know, dynamic M query parameters are only available for DirectQuery mode, not for import mode.

Dynamic M query parameters in Power BI Desktop (preview) :

With Dynamic M Query Parameters, model authors have more control over how filter selections get incorporated into DirectQuery source queries. 

And your data source (web and csv) does not support DirectQuery.

Power BI data sources :

If the problem is still not resolved, please provide detailed error information or the expected result you expect. Let me know immediately, looking forward to your reply.
Best Regards,
Winniz
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