Using MD5CryptoServiceProvider Class to encrypt passwords using the MVC4 Technology. You can Create, Edit or Delete a user. This will show you how to call a class loading the MD5 Service Provider and use it in your application. Using T-Sql or and Sql database with Enity Frameworks 4.0, and Stored Procedures to bind Data. We also provided you a linq select statment to select the user from your user table.