[Mono-dev] Patch for Bug 17318 - Property validation does not properly support nullable values

Luca Marinucci lmarinucci at yahoo.com
Wed Jan 22 21:23:28 UTC 2014


Please find attached a patch that potentially fixes a issue with data annotation validation when calling the ValidateProperty or TryValidateProperty method.


"The TryValidateProperty (and ValidateProperty) methods of the
System.ComponentModel.DataAnnotation.Validator class do not support nullable
values correctly: When a property is nullable and marked as required, then the
methods return TRUE even if the value is NULL."

Kind regards,
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