A note from reader Dmitry M for SQL Server Express Users

If you get error that says:(Cannot open connection to server)
You can fix that using one of the two steps.
First method(The easy way fix)
Remove the IP 127.0.0.1 from the connection string in (App.config) file.
(as appears in book)
-------------------------------------
<add name="BAEntities" connectionString="metadata=&quot;res://*/BAModel.csdl|res://*/BAModel.ssdl|res://*/BAModel.msl&quot;;provider=System.Data.SqlClient;provider connection string=&quot;Data Source=127.0.0.1;Initial Catalog=BreakAway;Integrated Security=True;MultipleActiveResultSets=True&quot;" providerName="System.Data.EntityClient" />
--------------------------------------
Use:
Source=localhost\sqlexpress (instead of Source=127.0.0.1)