using System; namespace BLToolkit.Mapping { public class NullDateTimeAttribute : NullValueAttribute { public NullDateTimeAttribute() : base(DateTime.MinValue) { } public NullDateTimeAttribute(int year, int month, int day) : base(new DateTime(year, month, day)) { } public NullDateTimeAttribute(int year, int month, int day, int hour, int minute, int second) : base(new DateTime(year, month, day, hour, minute, second)) { } public NullDateTimeAttribute(int year, int month, int day, int hour, int minute, int second, int millisecond) : base(new DateTime(year, month, day, hour, minute, second, millisecond)) { } } }