Whiteboard in .net

Hi all.

I'm a informatic student and for I currently work on my degree's project.

I have to make an E-LEarning application, ans I need a Whiteboard for it. Your's is really good, but I don't know the programmation language use for it.

Did you have any tips to help me to incorporate your witheboard to my aplli ? I'm writting it in .net. I use a Sql Server Database.

Thanks.

Shahid