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Editorial Team
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Asked: 2026-05-21T06:51:37+00:00

Should I be using IDataErrorInfo, INotifyDataErrorInfo, or both? If I use both, should I

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Should I be using IDataErrorInfo, INotifyDataErrorInfo, or both?

If I use both, should I offer the same error in both or should I only offer sync errors from IDataErrorInfo and only async errors from INotifyDataErrorInfo?

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  1. Editorial Team

    If you’re working only in Silverlight, you should implement INotifyDataErrorInfo. From the documentation:

    In general, new entity classes for Silverlight should implement INotifyDataErrorInfo for the added flexibility instead of implementing IDataErrorInfo.

    However, if you want to share code with WPF, IDataErrorInfo is supported in both Silverlight and WPF.

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