>>>>>I don't know what to tell you. I don't think I've ever encountered anything like that. Can you re-create the problem with a fresh project?
>>>>
>>>>It was an idiotic thing from my part, I picked up the wrong type of the project (not the smart device, but Windows/Classlibrary). Re-working this as we speak.
>>>
>>>I wouldn't be so hard on yourself. Sounds like an honest mistake. I wouldn't have thought to use a different type of project, but I guess I know nothing about mobile development.
>>
>>Turned out I can not copy DSs from one type of a project to another, so I would have to re-do them again from scratch. Not that much of a deal, but wasted time.
>
>Can you copy the files from Windows Explorer from your old project to new, and then in VS include them in your project?

No, I tried it already, but these DSs have lots of properties that are not recognizable. I'm half way though re-doing it, I have the old project opened separately and I sort of cut/paste methods from old to the new.