Gets or sets the value of the field as a DateTime. A BSON date and a TimeStamp are returned in the DateTimeKind of the document, a string is parsed, and a number is taken as a count of ticks. Returns a null reference (Nothing in Visual Basic) for a missing field; throws System.InvalidOperationException for the other types. The value is written as a BSON date; a value of the Unspecified kind is taken for the DateTimeKind of the document.

'Declaration
 
Public Property AsDateTime As Nullable(Of Date)

public Nullable<DateTime> AsDateTime {get; set;}