Asp.Net Backend Develop

Requirements -Webform based ([login to view URL]) -Add general features like default login mechanism. And, Admin user manage pages and top menu dynamically - add page, edit page etc. (full CMS adding pages, editing pages dynamically via HTML Editor & dynamic top menu like Wordpress) -Calendar management -This project does not include frontend development. Frontend (user side and admin side) is coded before. But, just need to easily integrate with html header, footer, body template 1, 2 etc. like using any templates -includes web api service to manage remotely content via third party. -Secure(basic secure levels. ex: password encryption, prevent sql injection) -Multi language ( coding must be multi language infrastructure. ) -Minimum works on windows server 2012, others any -> .NET Framework 4.5 - 4.7.2, Internet Information Services (IIS 10.0), any SQL Server. Please follow step by step like below for development. 1. step: user authentication module - admin user can login - user can be add, drop., multi-language view on admin side, full database infrastructure (includes step 2,3,4 also), (Admin front-end code will be sent you) 2. step: Admin user manage pages and top menu dynamically - create page, edit page, seen on top menu, edit in HTML Editor (texts & images) 3. step: User side front-end template definition, Existing front-end codes integration to admin panel+template(header-footer, body content)(User front-end code will be sent you- just basic template definition for dynamical template). 4. step: calendar management - calendar view - add drop item 5. step: web API service to manage remotely content via third party I look at these CMS [login to view URL]://[login to view URL] [login to view URL] [login to view URL] [login to view URL] [login to view URL] I uploaded CMS admin side front-end html & user side front-end html