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

Did you rename the namespace or class name in the code-behind file? Open the code-behind file and verify that the namespace for the page is called WebApp1 and that the class is called _Default, or update the Inherits-attribute in the aspx page header to fit the code-behind.