protected void SetupClassDefs(object propValue) { ClassDef.ClassDefs.Clear(); IClassDef itsClassDef = MyBO.LoadClassDefWithRelationship(); IClassDef itsRelatedClassDef = MyRelatedBo.LoadClassDef(); itsMyBo = (MyBO)itsClassDef.CreateNewBusinessObject(); MyRelatedBo relatedBo = (MyRelatedBo)itsRelatedClassDef.CreateNewBusinessObject(); Guid myRelatedBoGuid = relatedBo.ID.GetAsGuid(); itsMyBo.SetPropertyValue("RelatedID", myRelatedBoGuid); relatedBo.SetPropertyValue("MyRelatedTestProp", propValue); itsMyBo.Save(); relatedBo.Save(); }