How to Delete a Column Programmatically?

Question

How does one delete a column (or multiple columns) in Excel?

eg. How to delete column C and shift the rest left?

Answer 1

Here you find how to do it:

http://bytes.com/topic/c-sharp/answers/258110-how-do-you-delete-excel-column

http://quicktestprofessional.wordpress.com/2008/02/14/delete-columns-from-xl-sheet/