> Indeed. It's EF poor design, that they try to rework in EF core.
> Still there are plenty of workarounds for this. For example attaching
> entities only by ids.

Attaching by ID? It's still attaching...

> DbContext is supposed to be used in request-response scenario (web
> sites, for example), where context object is short-living object.

Quite opposite. Short-living context is recommended in request-response
scenarios. If you can keep the instance - like WPF, WinForms, etc. - the
benefit of having the context to track what you're doing is great help.

The context class itself was not designed to be used in any scenario in
particular. It should work and works in all range of options .NET
ecosystem offers. In fact, even just the disconnected scenario has at
least like 3 options to tackle it.

-- 
Mgr. Jiří Činčura
Independent IT Specialist

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