you should not just drag the bin folder. all this also looks like images, css, jscript files, as well as cshtml files (your views) in the c: \ myapp folder.
or maybe just post to visual studio. maybe even take a look at this to see if this helps:
How to publish my MVC 3 web application on IIS7
but, generally speaking, I am building a solution. Then I create vdir in my IIS. I copy the bin and view folder along with the images / css / jscript / shared folders etc ... to C: \ my deployed site. Then I convert to the application for this vdir that I just created in IIS.