Question

Hi,

We've added a RangeConstraint om some decimal? fields like so:

    /// <summary>
    /// Hoeveelheid
    /// </summary>
    [Field(Nullable = true)]
    [Metadata(Decimals = 2)]
    [RangeConstraint(Min = 0, Message = "Hoeveelheid mag niet negatief zijn ({value})")]
    public decimal? Hoeveelheid { get; set; }

and get an Exception from DO saying:

Comparer for type "System.Nullable`1[System.Decimal]" is not found

I think there is no implementation for the decimal? in this case. How do I solve this?

Regards Paul

Accepted Answer

0	I already discovered why. Attributes can only have primitive properties because attributes are compiled into the metadata and only primitives are allowed there. A decimal(?) is not a primitive. answered Dec 05 '13 at 07:57 Paul Sinnema 261●88●88●96

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