Bytescout XLS SDK

.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; cells, rows, columns, ranges, worksheets in spreadsheet documents; Formula reading and writing support, XLS document properties reading and writing support and much more!