Hi @sidyahmed_pbix ,
You'll need to add a column to your data to be use as a Sort By column for your tagname, so it doesn't default to alphabetical. If you have or generate a query in which there is only one tagname per row, you can add an index column while it is in the desired order and use that.
Sort one column by another column in Power BI Desktop - Power BI | Microsoft Docs
If that is not the case and that you want the data to be displayed in the order the rows were uploaded into Power BI, then you might have to create a new Index Column and sort the data using that new column.
The Below link takes you to a similar post
https://community.powerbi.com/t5/Desktop/How-to-create-a-custom-sort-order-for-a-visualization/m-p/5...
Best Regards
Community Support Team _ Polly
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