Bytescout Spreadsheet SDK - Version 3.0.0.1699 Read and write XLS, XLSX from ASP.NET, .NET, VB, C#, PHP and other programming languages without Excel installed! Supports formula calculations, text formatting, rows, columns, sheets management and much more! Can be used from legacy Visual Basic 6 and ASP classic, Delphi through special ActiveX wrapper with improved XLS and XLSX formats support and formula calculations Technical details:# 150+ source code samples ready to copy and paste from!# Writing for XLS, HTML, TXT, CSV, XML support;# Exports to PDF without any other libraries required;# Reading for CSV, XLS (Office 97-2010), XLSX (Office 2007-2010) and ODS (Open Office Calc) support;# Formula calculations (standard functions, add-in formula like XIRR) support;# Can be used in Visual C#, Visual Basic.NET and ASP.NET;