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I’m taking a virtual course on Entity framework in which the instructor uses visual studio in the 2012 version and during class he creates a web form project and asks to create a database in the service-based database template when creating a new item, and right after creating the template appears the database wizard menu in which two options appear to choose the dataset and the Entity data model, the instructor chooses the dataset and after creating the mdf file he says that automatically in the app.config file a 'connectionstrings' tag is created. My problem is that my visual studio is in the 2015 version and when I click on the service-based database it creates the mdf database file automatically without appearing the creation wizard menu with the two options dataset and Entity data model, and also does not create the strings Connections in app.config. I would like to know how to show the menu with the two options in the service based database and create a connectionstring automatically.