Which is the best way to export data to an existing xls sheet. I needs to support many versions of excel. If i was using Visual basic. I would use the CreateObject(\"Excel.a
Writing to Excel using C# can be accomplished using the Interop.Excel Here is a nice tutorial with screen shots to help make this happen.
Interop.Excel
http://csharp.net-informations.com/excel/csharp-excel-tutorial.htm