Not sure if this would help you as you want to embed it on a web page.
Create a C# control library
under project menu item, select properties
click on assembly information
select 'Make assembly com visible'
click 'okay'
click on build
select 'register for com interop'
then open assemblyinfo.cs and change where it says
[assembly: AssemblyVersion("1.0.*")] to [assembly: AssemblyVersion("1.0.0.0")] This way it will ensure that you GUID does not change during each build.
Best Answer
Digital Signing for ActiveX Components (MSDN)