Dosen't work Modifing Data Grid in iPad

On both PC and iPad

In Legacy Data Grid
I could copy multiple cells
from Google Spreadsheets and paste them at once into a data grid.

Likewise, within the data grid,
I could copy multiple cells and paste them into another range, or delete multiple cells.

but
in new data grid, it dosen’t work.

However, in the new data grid,
while this works on PC, it does not work on iPad.

This makes me very tired.
We are receiving numerous inquiries from customers.

can you fix this?
Or, I wish I could at least use legacy data grid.

I’ll wait for answer.

thank you

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