Learn how to use the ClosedXML NuGet package to export data as a CSV or XLSX file for Excel from an ASP.NET Core application. When building web applications, you will often need to import or export ...

ClosedXML is a .NET library for reading, manipulating and writing Excel 2007+ (.xlsx, .xlsm) files. It aims to provide an intuitive and user-friendly interface to dealing with the underlying OpenXML ...

NPOI is a powerful and free tool that supports xls, xlsx, and docx extensions. This project is the .NET version of the POI Java project at Apache POI. POI is an open-source project that enables you to ...