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Editorial Team
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Asked: 2026-06-05T14:25:25+00:00

I want to go the way doing all input validation in a viewmodel. When

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I want to go the way doing all input validation in a viewmodel.

When the database is accessed the viewmodels data must be copied over to the model sent to database.

My concern is that data could be lost because:

  • Automapper is wrongly setup for certain scenarios thus properties are not copied over to the model
  • Or Automapper is just not suited for every scenario maybe too complex ViewModels

Are my concerns justified or should I not care for that?

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1 Answer

  1. Editorial Team

    Automapper is totally fine in this scenario I use it extensively for exactly this purpose. If you are worried about data lose should you not be making use of data annotation validation on the model itself to make sure you have the required data before persisting or calling some other service.

    Also the only real way to make completely sure that you dont miss anything using Auotomapper or just manual code mapping is a good set of unit tests.

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