I hope now i understood your issue.
Yes you can just go with only one foreach please…
Don’t even split the DT (which you did with linq previously)
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From the master DT, iterate through ForeachRow
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Inside that add an if block to find foriegn or other currency, based on that you can add respective currency activities in true & others in else block.
This way will have one foreach with actual business logic for both currency types inside based on a condition.
Thanks
#nK