2. Application Architect

4. Availableconfigurationoptions Hard coded settings Ini files Registry XML … 3

5. Hardcoded 4

6. .ini Files 5

7. Windows Registry 6

8. XML Files 7

9. Lots of XML 8

10. XML Hell 9

11. The problem Toomuchconfiguration is killingproductivity 10

12. .NET historically configuration-based Configuration-Based

13. Solution Convention over Configuration 12

14. What’s a convention? “A convention is a set of agreed, stipulated or generally accepted standards, norms, social norms or criteria, often taking the form of a custom.” - Wikipedia 13

15. What’s a convention? “Convention over Configuration is a software design paradigm which seeks to decrease the number of decisions that developers need to make, gaining simplicity, but not necessarily losing flexibility. The phrase essentially means a developer only needs to specify unconventional aspects of the application.” -Wikipedia 14

16. You’veusedconventionsbefore Namingconventions Codingconventions … 15

17. Convention over Configuration Byintroducing a simple set of conventions, youcandrasticallyreduce the amount of work Youloose a little bit of flexibility 16

18. Convention over configuration 17

19. Conventions are finally finding it’s way into mainstream .NET development Conventions in .NET

20. Conventions in .NET DataSet & DataTable Conventionthattable name matches table and column name matches column Allows easy data-access ASP.NET MVC Entity FW Nhibernate AutoMapper EntLib 5.0 Caliburn Ayende Sample(?) … 19

21. DEMO 1 – ASP.NET MVC

22. DEMO 2 – ENTITY FRAMEWORK 4.0

23. DEMO 3 – ENTERPRISE LIBRARY 5.0

24. DEMO 4 – Windows Communication Foundation 4.0

25. Next steps Have a look at yourownapplications Try to findcommonconfigurationpatterns Agreeaboutsomeconventions Implementthem! 24

26. THANK YOU ! 25