Nullable TimeSpan? to TimeSpan [closed]

Question

How do I convert this C# line of code to a TimeSpan from Nullable TimeSpan as DateStamp is Nullable DateTime

 TimeSpan? timestamp = DateTime.Now - modelXyz.DateStamp

Answer 1

TimeSpan? timestamp = DateTime.Now - modelXyz.DateStamp;
if(timestamp.HasValue)
{
    TimeSpan nonNullableTS = timestamp.Value;
}