PE Browse Pro Interactive Debugger
PEBrowse Professional Interactive is a very powerful, versatile, and customizable Win32 user mode debugger/disassembler. PEBrowse Interactive is not a source code debugger, but operates at the Intel x86 instruction level and therefore at the lowest level where your program executes Check out this, The debugger fully supports Microsoft .NET managed processes and seamlessly allows interop or mixed-mode debugging. It can be set as the startup debugger using the system registry Image File Execution Options key - useful for debugging ASP.NET applications. There are all of the usual debugging features, such as single-stepping, stepping into/over call statements, executing until a selected instruction, as well as running to the next branch instruction.You can even add breakpoints on a specific IL statement in a .NET managed method.
You can download PE Browse Pro Interactive Here