100% managed code Excel (.XLS & .XLSX), HTML and PDF report generation for .NET, Mono, Xamarin.iOS, Xamarin.Android, Xamarin.Mac, Oxygene

* Generates Excel files from WinForms, WebForms ASP.NET, PocketPC applications, webservices on the fly and fast with FlexCel Studio for .NET * Native .NET components (no additional OLE/dlls required) allowing to read, create and modify native Excel .XLS and .XLSX files without needing to have Excel installed * Supported Excel 5 to 2013 file formats * Native PDF file export / report generation * Runs on .NET 2.0, .NET 3.0, .NET 3.5, .NET 4.0, .NET 4.5, Mono * Cross platform support: runs on Xamarin.iOS, Xamarin.Android and Xamarin.Mac * Exceptionally fast and solid hand tuned .XLS & .XLSX engine capable of generating thousands files per minute * Able to modify .XLS files and keep almost everything existing on the original file, from macros to activex objects * Recalculation of more than 300 Excel functions * Ability to read and write encrypted .XLS and .XLSX files, including Office 2007, 2010 and 2013 encryption * Completely written in C# 100% managed code, with NO interop and NO p/invokes * Templates can be stored inside your executable file, in a database or in any place from where you can access it as a stream * Extensive API is available with which you can programmatically write and read files, with formatting info, images comments, etc. * Export to HTML in HTML 4.01 strict or XTHML 1.1 and fully standards compliant * Report Engine that allows to create complex reports using Excel as your report designer, so your final users can modify them. You can use images/comments/conditional formats/merged cells/pivot tables/charts and almost anything you can think of on those reports

Download and use it now: TMS Flexcel Studio for .NET