Question

How can I make my custom properties appear in the edmx design view of the latest version of Entity framework?

I added a custom property to a partial class like so:

public partial class Survey
{
public IEnumerable<Data.Users> answers
  {
   get;
   set;
  }
}

Answer 1

You can’t do this. Entities are generated from edmx file by EntityModelCodeGenerator (T4 generation), not vice versa. Any changes in entities either original generated classes, or partial created by you, will not affect edmx file.

So, if you want to see property in edmx design view, then modify edmx file instead. Select your Survey entity at edmx diagram, and from context menu pick Add New.... You can add Scalar, Navigation, or Complex property here. Property will appear on you generated entity.