I use vs2019 created after the MVC, new item no class library that is the reason why, but the new project from time to tome netframwork class library
I only with ASP.net when you install software and Web development, database storage and processing

CodePudding user response:

When the new project is like this, I choose the first

CodePudding user response:

Library is a project, the new item of a subdivision can only create projects, this is not hard to understand, I do not want to be in a project to create another item below

CodePudding user response:

Class library I built, but after add reference, add controller not