Spire.XLS is a professional Excel component which enables developers/programmers to fast generate, read, write and modify Excel document for .NET and Silverlight. Spire.XLS doesn't need Microsoft Office Excel Automation. It allows user to operate Excel document directly such as save to stream, save as web response, copy, lock/unlock worksheet, set up workbook properties, etc. As a professional .NET Excel component, it owns the ability of inserting content into Excel document and formatting cells. Spire.XLS for .NET supports Excel 97-2003, Excel 2007 and Excel 2010. New Version fixed bugs of reading and writing pivot and some bugs of Formatting,Cacluating engine, formula, alignment,etc. New Features: 1) Silverlight platform supported 2) Excel calculate engine entire supported 3) Encrypted excel 2007 ~ 2010 file supported 4) Spark lines has been supported 5) Name range has been supported 6) Improve marker designer data type check and data formatting 7) Improve read and write pivot table and pivot chart functions 9) Support powerful sorting features: sort data in both horizontal and vertical directions which allows developers to sort data from top to bottom or left to right. 10)Improved charts data preservation and pivot table for Excel 2003/2007/2010. Fixed: When save a Workbook with Charts as Excel 2007 or Excel 2010, the charts will be lost when open the Workbook. Main Functions: 1) Directly Operate Excel Document 2) Import/Export data from/to Excel 3) Format Cells 4) Insert Content to Excel Document 5) Marker Designer More details, http://www.e-iceblue.com/Introduce/excel-for-net-introduce.html