Compare 2 data and find the differences

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@Ryan_Lee,

Follow this approach:

  1. Iterate through dt1 Columns using For Each activity. assign a index variable to it.

The image shows a "For Each" activity in UiPath that iterates through columns of a DataTable and assigns column names from one DataTable to another. (Captioned by AI)
The image shows a "For Each" activity in UiPath that iterates through columns of a DataTable and assigns column names from one DataTable to another. (Captioned by AI)1236×491 30.9 KB

  1. Add one Assign activity inside For Each like this
dt2.Columns(intColumnIndex).ColumnName = currentItem.ColumnName

That’s it. It will change the column names of the dt2 same as dt1