Unable to Copy datacolumn from one data table to another

Question

How can I copy 1 data column from 1 data table to a new datatable. When I try to do it, I get the error Column \'XXX\' already belongs to another DataTable.?

Answer 1

You cannot copy a DataColumn. (DataColumns are very tightly coupled with their tables)

Instead, you can add a new column with the same name and datatype.

You might be looking for DataTable.Clone(), which will create a structual copy of an entire table. (With the same schema, but no data)