21 lines
654 B
C#
21 lines
654 B
C#
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using System;
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using System.ComponentModel.DataAnnotations;
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namespace Retroactiune.DataAnnotations
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{
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public class DatetimeNotInThePast : ValidationAttribute
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{
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/// <summary>
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/// Validates the given DateTime object to be null or greater than the UtcNow date.
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/// </summary>
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/// <param name="value">An DateTime object.</param>
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/// <returns>True if the date is null or in the future, false otherwise.</returns>
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public override bool IsValid(object value)
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{
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var now = DateTime.UtcNow;
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var date = value as DateTime?;
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return !(date <= now);
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}
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}
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}
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