I followed steps given by @YashSaraiya in my this post: ASP.Net Web Application deployment steps
However, after following those steps in inetmgr when I right-clicked on my Application -> Manage Application -> Browse, I got the following screen:
I believe, I will have to change some properties in web.config file. But I don't know what changes I will have to make (except for the connection string).
Can anyone help me know What changes I need to make to successfully deploy my application?
Edit 2: After properly installing ASP.Net in IIS and adding required roles, I got the following error screen:

