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MVVM using DataTable?

One of our legacy applications runs on VB.net (3 levels), and DataTable is used as a DTO. But we want to convert the application using the WPF architecture, MVVM. Can I implement MVVM using Datatable as a DTO, or should I create classes to represent this data and implement the MVVM architecture.

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There is nothing in MVVM that precludes using a DataTable / DataSet as your model. "M" in MVVM can be anything. These are V and VM, which are more clearly defined. Just run ViewModel as a mediator for your view and the underlying DataRow. It should not be more complicated than if your model was created by classes of web services.

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