Message in Swedish (Svenska)
IsValid(object value) har inte implementerats av sin klass. Den förvalda startadressen är GetValidationResult() och klasser ska åsidosätta IsValid(object value, ValidationContext context).
Unlocalized message
IsValid(object value) has not been implemented by this class. The preferred entry point is GetValidationResult() and classes should override IsValid(object value, ValidationContext context).
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