VS2010 RC: Add new domain service class wizard entities list is empty

Greetings!

I am going through Brad Abrams' SL4 + RIA Services series. Right now I am here: http://blogs.msdn.com/brada/archive/2010/03/15/silverlight-4-ria-services-ready-for-business-exposing-data-from-entity-framework.aspx.

When I get to the "add domain service" step and the wizard asks you what entities you want to expose, the list is empty. The dropdown that let's me choose my Entity data context is there and the "DishVie开发者_StackOverflowwEntities" is selected but it is not showing the "Restaurant" and "Plate" entities in the list below like it does in the picture.

I found this thread here: http://forums.silverlight.net/forums/t/168724.aspx. The poster has the same problem as me. I have restarted VS, rebooted, regenerated the EDMX, tried creating it in different folders. Still the list is empty. When it is empty, it will not allow me to select individual entities or generate the class.

Any ideas from the community? Thanks!

I had the same problem. I looked for answers on web, they all seemed to relate to installing the RiaServicesToolkit, or other packages, or the dbml confirguration string. But I noticed that when I was opening my Linq2Sql (dbml) in visual studio that I was getting a message about the configuration string missing or incorrect.

It turns out that the configuration string problem was the result of my SQL Server Agent being set to Manual instead of Automatic in my Services (Control Panel). Once I corrected this, the configurations string problem went away.

I don't know if that is also what was causing my RIA (Linq2SQL) problem (although I do see how it could), but after fixing this, and cleaning & rebuilding the solution, my Linq2SQL context appeared on the drop down list of the DomainService wizard and all was golden.

Hope this helps.

This happens from time to time in my project. I don't really have to create a new project (which would be very unfeasable.) I usually make sure the project builds (clean/rebuild) and right-click on edmx file and do run custom tool. And make sure that no errors are being reported on Error and/or Output windows.

We solved our problem. Sometimes EDMX designer can't map Entities and tables. Right click each entity and select table mapping then ensure if all of your entities are mapped correctly.

When you want to add Domain Service Class an exception occur but (I don't know why) the exception message doesn't display. Than the list is seen empty.

If all of your mappings and web.config settings are right after rebuild progress domain service class addition works fine!