.NET library to write/read/modify spreadsheet documents (XLS, XLSX, CSV, ODS) from .NET programming languages Visual Basic.NET, C#, ASP.NET. MS Office, Excel, Open Office are NOT required! Made with 100% managed code, provides support for: - Unicode text; - cells, rows, columns, ranges, worksheets in spreadsheet documents; - Formula reading and writing support; - Export to HTML; - Cell formatting support (font, line styles, merging/unmerging cells) for spreadsheets; - and much more!