CRUD Operation In MVC

I have one doubt please rectify it

https://www.c-sharpcorner.com/article/asp-net-mvc-crud-operation-using-entityframework/

I am referring this link for crud operation

finally i am run the project i have got one error

ERROR::HTTP 404. The resource you are looking for (or one of its dependencies) could have been removed, had its name changed, or is temporarily unavailable. Please review the following URL and make sure that it is spelled correctly.

i will send screenshot also anyone help me please