Updating The Model
Because the designer is so closely linked to the underlying EDMX, changes you make in the designer will update the EDMX. (And vice versa, of course.) The designer itself works as you would expect if you’ve worked with other designers in Visual Studio. We’ll look at some complex manipulations in later chapters, but here are the basics:
To show the properties of the model itself, just click on a blank area of the designer surface.