How to Make Excel Spreadsheets [.XLS &.XLSX] in C#

How to Make Excel Spreadsheets [.XLS &.XLSX] in C#
There's a library called ExcelLibrary. It's a free, open source library posted on Google Code. It's very simple, small and easy to use. Plus it has a DataSetHelper that lets you use DataSets and DataTables to easily work with Excel data. ExcelLibrary...