Map column names from a datatable to another datatable in C#

Question

I would like to map a datatable column names from another datatable. Please refer below example. I have 2 datatables returned from database.

Please see above 2 tables. The first table contains data and second datatable contains column mapping. I would like to map column names from second table to first table. The final result should be as below.

Answer 1

You can generate a SQL statement dynamically and end up with:

Select column1 as city, column2 as country,
column3 as population, column4 as tourist
from whatever_table