Seeking a Code Analysis Tool for ASP.Net

I've inherited a rather complex AsP.Net 3.5 web application derived from Several DLLs. I've used .Net Reflector to examine the DLL contents. However, I am looking for a code analysis tool that might help identify key class files, show how the application makes database call开发者_如何学JAVAs (it's not obvious from the codebase), and generally suggests ways to improve the codebase.

Does such a (free?) tool exist?

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Take a look at NDepend (no, it's not free). It might not do everything you want, but it's a great code analysis tool.

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I like AQTime from http://www.automatedqa.com/ for this. There's a free trial. The architecture tools in Visual Studio 2010 Ultimate also allow you to generate graphs from assemblies.

Edit: You can also right-click on any method in VS 2010 and select Generate Sequence Diagram ... which is very helpful sometimes.

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how come you use reflector to examine the DLL's rather than visual studio?

There's a reflector plugin to decompile the DLL's back to projects: FileDisassembler Stepping thru the code in the VS debugger is the best code analysis tool, otherwise possibly even Rd-Gate Perf Profiler to record call stacks over time.

+1 for the architecture tools in Visual Studio 2010