Could you explain in more details what you mean, because I am not sure that I understand your question completely?
Q:Is your client asking about the HTML that renders in your page by the grid?
A: Depends on the data that is populated in the grid. If the data is significant, it would be more than the structure of the grid.
Q: Or is it how many code should be written by the client to configure it?
A: If the requierments are sample, several lines of markup would be enough to configure it.
Q: If it is about the client scripts that are load:
Q: Or is it how many is the actual source code of the grid that we compile?
A: I could not say exactly, but it is megabytes of source: hundreds of thousands of lines.
If you want to get updates on new releases, tips and tricks and sneak peeks at our product labs directly from the developers working on the RadControls for ASP.NET AJAX, subscribe to the blog feed