Is it better to use DateTime.MinValue or a nullable DateTime?
c#, datetime
Solution
It makes more sense to use Nullable. That's the idea of Nullable - to express that a value type has no valid value. To use MinValue is a patch for cases you don't have Nullable.
Problem
If I had a DateTime on a class called "TimeLastAccessed", would it make more sense for this DateTime to be nullable: ``` public DateTime? TimeLastAccessed { get; set } if (TimeLastAccessed == null) // ... handle it ``` to indicate it has never been accessed or check for DateTime.MinValue ``` public DateTime TimeLastAccessed { get; set; } if (TimeLastAccessed == DateTime.MinValue) // ... handle it ``` ?