Darf Zon questions

• How to get the view from a region in PRISM?
• Is a good practice left an empty interface?
• How to do unit tests in VS?
• How to render a partial view from another project
• How to render the view of specific models in ASP.NET MVC4?
• When override an abstract method, is it correct that I set abstract again?
• How to create a custom validation in MVC4?
• How to extend functions to Random class
• Collation conflict between "SQL_Latin1_General_CP1_CI_AS" and "Modern_Spanish_CI_AS" in the equal to operation
• How to pass an object when navigating to a new view in PRISM?

Darf Zon answers