is it possible to use C# to write functionality within an excel workbook

Question

I have an excel workbook which needs to query data from an HTTP server. Query directly from a remote database isn\'t an option.

From what I know I can use VB macros to c

Answer 1

You can use the VSTO to create a document or application level addin to Excel. Look here http://msdn.microsoft.com/en-us/office/hh128771.aspx