Could not load type 'WebApp1._Default' in ASP.NET

Question

When I am running my ASP.NET application I will get an error

Server Error in \'/\' Application.

Parser Error Description: An error occurred during the

Answer 1

have you set your web app directory as application in IIS?

I have seen this error many times for different reasons.

1. Check namespace
2. dependent dll versions
3. Visual studio clean and compile again.
4. clean temp asp.net files "Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files"