I'm using Crystal Reports 2008 & I believe I've added the necessary jars & also included the entire crystalreportviewers folder (with all js files) in my Web folder. Also, I don't see any exceptions in the crystal_exception_log_file.
Any help would be greatly appreciated
The same problem to me also.
Please anybody have valid solution for this, let us know.
The issue in my case was the aspnet_client folder. I needed to add it as a virtual directory in IIS on the server, then generate to HTML started working fine (although export to PDF broke at the same time.. still working on that).
My enviroment was Windows 2003 Service Pack 2, IIS6, Visual Studio 2010, Crystal Reports 2008.