Spread WPF-Silverlight

With Spread WPF-Silverlight, embed Microsoft Excel-compatible spreadsheet functionality into your ASP.NET apps with Spread for ASP.NET. Comprehensive Excel document support lets you share information across the enterprise and built-in charting engine and data visualizations let you easily create informative and effective dashboards for advanced business, engineering, and scientific applications. pread supports the current versions of Excel as well as multiple Excel file formats, including Excel (2007 - current XLSX), Excel 97 (XLS), comma-delimited (CSV), and text (TXT).