devexpress-xaf-appearanceXAF Conditional Appearance module for dynamic UI styling. Covers AppearanceAttribute for controlling FontColor, BackColor, FontStyle, Enabled, and Visibility on UI elements, AppearanceItemType (ViewItem, Action, LayoutItem), TargetItems, Context (ListView, DetailView, Any), Criteria-based and Method
devexpress-xaf-business-logic-xpoXPO-specific CRUD and business logic patterns for XAF applications. Sub-skill of devexpress-xaf-business-logic — load this when XPO ORM is detected. Covers UnitOfWork, Session, XPCollection, XPQuery (LINQ to XPO), XPView, NestedUnitOfWork, XPObjectSpace.Session access, AfterConstruction/OnSaving/OnD
devexpress-xaf-business-logicImplement XAF CRUD operations and business logic with IObjectSpace. Use when creating, reading, updating, or deleting objects, calling CommitChanges, handling ObjectSpace events (Committing, Committed, ObjectChanged, ObjectSaving), accessing ObjectSpace in controllers or business classes, using IXaf
devexpress-xaf-business-modelDesign XAF business model classes with EF Core or XPO. Use when creating persistent classes, defining entity relationships (one-to-many, many-to-many, aggregated), applying data annotations and XAF attributes, configuring DbContext, registering types in ModuleBase, supplying initial data in Updater,
devexpress-xaf-controllersXAF Controllers and Actions for implementing UI logic and user interaction. Covers ViewController, ObjectViewController<ViewType,ObjectType>, WindowController lifecycle (Activated/Deactivated/OnViewControlsCreated), controller scope (TargetObjectType, TargetViewType, TargetViewId, TargetViewNesting,
devexpress-xaf-editorsXAF editors covering Property Editors, List Editors, and View Items; data-type-to-editor mappings; accessing and customizing editor controls with CustomizeViewItemControl and OnViewControlsCreated; and implementing custom Property Editors, List Editors, and View Items for Blazor and WinForms. author
devexpress-xaf-filtering-xpoXPO-specific filtering patterns for XAF applications. Sub-skill of devexpress-xaf-filtering — load when XPO ORM is detected. Covers XPCollection with CriteriaOperator, XPQuery<T> LINQ filtering, XPView for lightweight read-only queries, BinaryOperator / GroupOperator / FunctionOperator / ContainsOpe
devexpress-xaf-filteringFiltering data in XAF applications. Covers CriteriaOperator syntax, CriteriaOperator.FromLambda, IObjectSpace filtering methods (GetObjects, GetObjectsQuery, FindObject, GetObjectByKey), CollectionSource.Criteria for List View filtering, ListViewFilterAttribute, SetFilter Action, FullTextSearch Acti
devexpress-xaf-performanceXAF performance optimization across database, ORM, and application layers. Covers server-mode data sources and data access modes, EF Core eager loading, query splitting, and change-tracking proxies, XPO delayed and explicit loading, PersistentAlias for calculated properties, N+1 Select Problem, data
devexpress-xaf-reportsXAF Reports V2 module, data export, and printing. Covers adding the Reports module (AddReports with ReportDataType and EnableInplaceReports), CollectionDataSource and ViewDataSource for report data binding, creating predefined static reports with PredefinedReportsUpdater.AddPredefinedReport and dupl
devexpress-xaf-securityXAF Security System covering authentication (password, Windows, OAuth2), user and role setup for EF Core and XPO, authorization and Permission Policy, type/object/member/navigation permissions, current-user and role checks, security APIs including ApplicationUser, ISecurityUserWithRoles, ISecurityPr
devexpress-xaf-validationXAF Validation module for enforcing data integrity rules. Covers built-in rule attributes (RuleRequiredField, RuleCriteria, RuleRange, RuleRegularExpression, RuleValueComparison, RuleStringComparison, RuleUniqueValue, RuleCombinationOfPropertiesIsUnique, RuleFromBoolProperty, RuleIsReferenced, RuleO
devexpress-xaf-viewsXAF Views, layout, and navigation. Covers ListView, DetailView, DashboardView class hierarchy, View creation (Application.CreateListView/CreateDetailView/CreateDashboardView), ShowViewParameters for displaying views in new windows/popups, View.CurrentObject, ListView.CollectionSource, ListView.Edito