From:Http://excellite.codeplex.com/
1. Project Description
Excellite Is a C #/Silverlight library for Silverlight applications that can read and write MS Excel (Excel 97-2003) files without com interaction. you can manipulate MS Excel files totally on client side as this library is using binary Excel format to read and write data.
So you don't need to force your client to install Silverlight application "out of Browser", also COM interaction is not required with office ddls.
2. features:
Create Excel sheet, exports Silverlight data to MS Excel
Read Excel files, imports Excel Data in Silverlight application.
Export Silverlight image to Excel File
3. code examples:
Index of code examples on my blog
Example code and description for writing Excel files with excellite
Example Dode and description for reading Excel files into Silverlight
Excellite
Example, how to export Silverlight image to an Excel file with excellite
visit my blog for code examples or any other query
4. intended environment:
Visual Studio 2010
Silverlight 4
MS Excel 97-2003