( C# ) The following scheme consists of WCF project which uses entity framework database in order to display many-many db tables and alows adding users, changing users data and removing them.

User is welcomed by a friendly interface in which he has to enter username, password and tick the box for terms of service.

The following window shows the interface of grades from the database. User can add students to the database, he can also change their data and remove them.

As shown on the picture below, adding and changing data of users is very simple!

Interface below shows the list of current users in the database.

Interface below shows the list of students and their grades in the database. ( many to many dbset ). There we can see the interface for adding users and their grades respectfully in the program.

There we can see the interface for adding users and their grades respectfully in the program.