private static void AddReferenceNavigationColumns(List <EntityDataSourceColumn> columns, MetadataWorkspace ocWorkspace, EntitySet entitySet, EntityType entityType) { foreach (AssociationSetEnd toEnd in GetReferenceEnds(entitySet, entityType, /*forKey*/ false)) { // Check for a navigation property NavigationProperty navigationProperty; if (TryGetCorrespondingNavigationProperty(toEnd.CorrespondingAssociationEndMember, out navigationProperty)) { Type clrToType = EntityDataSourceUtil.GetMemberClrType(ocWorkspace, navigationProperty); EntityDataSourceReferenceValueColumn column = EntityDataSourceReferenceValueColumn.Create(clrToType, ocWorkspace, navigationProperty); columns.Add(column); } } }