'Declaration
<DataMemberAttribute()> Public HistoryStartDate As Nullable(Of Date)
[DataMember()] public Nullable<DateTime> HistoryStartDate
[DataMember()] public: Nullable<DateTime> HistoryStartDate
'Declaration
<DataMemberAttribute()> Public HistoryStartDate As Nullable(Of Date)
[DataMember()] public Nullable<DateTime> HistoryStartDate
[DataMember()] public: Nullable<DateTime> HistoryStartDate