Aspose.Cells is a .NET component for spreadsheet reporting in a desktop or web server environment without using Microsoft Excel. Main features include; Import or export Excel 2007 data & formatting, Opening an excel file to and from streams. Convert a chart into image and also an excel file to PDF. Conditional formatting & pivot table creation by API. Import and export of data from DataTable, DataView, DataGrid or an array. Also supports CSV format, add-ins, VBA, macros, AutoFit rows & columns, create NamedRanges, formulae and charts etc.