Converts the value passed in to null/Nothing (reference type) or default value (value type) if the value is DbNull.Value, based on the type passed in, also if that type is a nullable type.

public static Object ConvertValueToRealNullIfRequired(
	Object rawValue,
	Type destinationType
)

Public Shared Function ConvertValueToRealNullIfRequired ( 
	rawValue As Object,
	destinationType As Type
) As Object