publishing asp.net website give “Object reference not set to an instance of an object.” error

Question

I am getting fed up with this error. I have search all over the web and tried every possible suggestion to this error I could find.

1. delete app_code, build, add fil

Answer 1

Deleting all the *.compiled files from Bin folder of the website works for me. :)

These files are safe to delete and are created during precompilation. For more info check this MSDN link.