dotNetObject:System.DBNull

--PROPERTIES OF dotNetObject:System.DBNullDefault / Value
.Value : , read-only, staticdotNetObject:System.DBNull
--METHODS OF dotNetObject:System.DBNull
.Equals obj
.[static]Equals objA objB
.GetHashCode()
.GetObjectData info context
.GetType()
.GetTypeCode()
.[static]ReferenceEquals objA objB
.ToString()
.ToString provider
--EVENTS OF dotNetObject:System.DBNull