“Build failed” on Database First Scaffold-DbContext

Question

I\'m trying to generate classes from a database (EntityFramework\'s database first approach).

For convenience, I\'m more or less walking along with this tutorial: ht

Answer 1

Using VS2017 Preview 3, .NET Core 2 (PREVIEW) I had all sorts of issues, but eventually I took the approach suggested above and created a brand new solution.

1. Created new .NET Core solution
2. Edited project file and changed 1.0 to 2.0: netcoreapp2.0
3. Closed/re-opened solution

Then, added the Entity Framework:

1. In PackageManager console:
   • Install-package Microsoft.EntityFrameworkCore.SqlServer -Version 2.0.0-preview2-final
   • Install-package Microsoft.EntityFrameworkCore.Tools -Version 2.0.0-preview2-final
   • Install-package Microsoft.EntityFrameworkCore.Design -Version 2.0.0-preview2-final
2. Edited project file, and added:

Then;

1. Opened the Powershell command prompt and changed directory into Scaffold project folder
2. Ran: dotnet ef dbcontext scaffold "Server=DESKTOP-MB70B7U; Database=ForexForme; Trusted_Connection=True" Microsoft.EntityFrameworkCore.SqlServer -o Models
   • Where you put in your own connection string!
   • Models is the name of my directory where I put all my classes