C# - Excel Number Formatting Issue with International settings

Question

I am trying to write to an Excel 2003 spreadsheet using c# 3.5. However I am unable to get this to function correctly across different country settings. The country settings

Answer 1

This KB article, and a couple of other KB articles it links to, describe some of the localization issues you may hit when automating Excel from .NET.

It may help explain your problem