Using NPOI API for Spreadsheets in .NET: A Comprehensive Guide
NPOI is an open-source .NET API for developing applications that work with spreadsheets. It is free to use in .NET projects, including commercial ones, as it is licensed under the Apache License 2.0. This means you can freely use, modify, and distribute NPOI as long as you comply with the license terms. NPOI is simple, easy to use, and can be quickly set up to start working with Excel spreadsheets.