https://www.dotnetzone.gr:443/cs/blogs/abekiaris/archive/2013/01/21/modifying-business-objects-using-attributes.aspxVery often there is a need to add new members to existing Business objects that live in assemblies that we do not own. Take the following example: We have a persistent object DashboardDefinition: public class DashboardDefinition : BaseObject {    elCommunityServer 2.1 SP3 (Build: 20423.1)