Buy Support Demos Free trial
eXpressApp Framework
V 18.1
18.2
18.1
17.2
All docs

General Information

.NET Subscription

Overview

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Desktop

Controls

WinForms
WPF
UWP (Windows 10)

Tools

WinForms Skin Editor
WPF Theme Editor
WPF Theme Designer
Coded UI Test Extension

Web

Controls and Extensions

ASP.NET WebForms Controls
ASP.NET MVC Extensions
ASP.NET Bootstrap Controls
ASP.NET Core Bootstrap Controls
DevExtreme

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Analytics

Reporting
Report and Dashboard Server
Dashboard
Office File API

Code / Debug / Refactor

CodeRush
CodeRush Classic
TestCafe
Logify

Frameworks and Libraries

eXpressApp Framework
Core Libraries
eXpress Persistent Objects
XPO Profiler

IOS, Android & Xamarin

Native Mobile UI Controls
Xamarin
All docs
V18.1

General Information

.NET Subscription

Overview

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Desktop

Controls

WinForms
WPF
UWP (Windows 10)

Tools

WinForms Skin Editor
WPF Theme Editor
WPF Theme Designer
Coded UI Test Extension

Web

Controls and Extensions

ASP.NET WebForms Controls
ASP.NET MVC Extensions
ASP.NET Bootstrap Controls
ASP.NET Core Bootstrap Controls
DevExtreme

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Analytics

Reporting
Report and Dashboard Server
Dashboard
Office File API

Code / Debug / Refactor

CodeRush
CodeRush Classic
TestCafe
Logify

Frameworks and Libraries

eXpressApp Framework
Core Libraries
eXpress Persistent Objects
XPO Profiler

IOS, Android & Xamarin

Native Mobile UI Controls
Xamarin
18.2
18.1
17.2
eXpressApp Framework
Fundamentals
Getting Started
Concepts
Design-Time Features
Deployment
Task-Based Help
Frequently Asked Questions (FAQ)
API Reference
DevExpress.EasyTest.Framework
DevExpress.ExpressApp
DevExpress.ExpressApp.Actions
DevExpress.ExpressApp.AuditTrail
DevExpress.ExpressApp.Chart
DevExpress.ExpressApp.Chart.Web
DevExpress.ExpressApp.Chart.Win
DevExpress.ExpressApp.CloneObject
DevExpress.ExpressApp.ConditionalAppearance
DevExpress.ExpressApp.Dashboards
DevExpress.ExpressApp.Dashboards.Web
DevExpress.ExpressApp.Dashboards.Win
DevExpress.ExpressApp.Data
DevExpress.ExpressApp.DC
DevExpress.ExpressApp.DC.ClassGeneration
DevExpress.ExpressApp.Editors
DevExpress.ExpressApp.EF
EFDataView
EFDataViewRecord
EFObjectSpace
Members
Constructors
Fields
Properties
Methods
ApplyCriteria(Object, CriteriaOperator)
ApplyFilter(Object, CriteriaOperator)
CanApplyCriteria(Type)
CanApplyFilter(Object)
Contains(Object)
CreateInstantFeedbackCollection(Type, CriteriaOperator)
CreateNestedObjectSpace()
CreateParseCriteriaScope()
CreateServerCollection(Type, CriteriaOperator)
Dispose()
EnableObjectDeletionOnRemove(Object, Boolean)
Evaluate(Type, CriteriaOperator, CriteriaOperator)
FindObject(Type, CriteriaOperator, Boolean)
GetCollectionObjectType(Object)
GetCollectionSorting(Object)
GetCriteria(Object)
GetDefaultDisplayableMembers(ITypeInfo)
GetDisplayableProperties(Object)
GetEvaluatorContextDescriptor(Type)
GetFilter(Object)
GetKeyPropertyName(Type)
GetListServer(Object)
GetObject(Object)
GetObjectByKey(Type, Object)
GetObjectsQuery<T>(Boolean)
GetObjectsToDelete(Boolean)
GetObjectsToSave(Boolean)
GetSqlException(Exception)
GetTopReturnedObjectsCount(Object)
IsCollectionLoaded(Object)
IsDeletedObject(Object)
IsDeletionDeferredType(Type)
IsDisposedObject(Object)
IsNewObject(Object)
IsObjectDeletionOnRemoveEnabled(Object)
IsObjectToDelete(Object)
IsObjectToSave(Object)
ReloadCollection(Object)
ReloadObject(Object)
RemoveFromModifiedObjects(Object)
SetCollectionSorting(Object, IList<SortProperty>)
SetDisplayableProperties(Object, String)
SetPrefetchPropertyNames(Object, String[])
SetTopReturnedObjectsCount(Object, Int32)
GetReferenceMemberNames
Events
DevExpress.ExpressApp.EF.Utils
DevExpress.ExpressApp.FileAttachments.Web
DevExpress.ExpressApp.FileAttachments.Win
DevExpress.ExpressApp.Filtering
DevExpress.ExpressApp.HtmlPropertyEditor.Web
DevExpress.ExpressApp.HtmlPropertyEditor.Win
DevExpress.ExpressApp.Kpi
DevExpress.ExpressApp.Layout
DevExpress.ExpressApp.Maps.Mobile
DevExpress.ExpressApp.Maps.Mobile.Editors
DevExpress.ExpressApp.Maps.Web
DevExpress.ExpressApp.Maps.Web.Helpers
DevExpress.ExpressApp.MiddleTier
DevExpress.ExpressApp.Mobile
DevExpress.ExpressApp.Mobile.Editors
DevExpress.ExpressApp.Mobile.MobileModel
DevExpress.ExpressApp.Mobile.SystemModule
DevExpress.ExpressApp.Mobile.Templates
DevExpress.ExpressApp.Model
DevExpress.ExpressApp.Model.Core
DevExpress.ExpressApp.Model.NodeGenerators
DevExpress.ExpressApp.ModelEditor
DevExpress.ExpressApp.Notifications
DevExpress.ExpressApp.Notifications.Web
DevExpress.ExpressApp.Notifications.Win
DevExpress.ExpressApp.Office.Win
DevExpress.ExpressApp.PivotChart
DevExpress.ExpressApp.PivotChart.Web
DevExpress.ExpressApp.PivotChart.Win
DevExpress.ExpressApp.PivotGrid
DevExpress.ExpressApp.PivotGrid.Web
DevExpress.ExpressApp.PivotGrid.Win
DevExpress.ExpressApp.Reports
DevExpress.ExpressApp.Reports.Web
DevExpress.ExpressApp.Reports.Win
DevExpress.ExpressApp.ReportsV2
DevExpress.ExpressApp.ReportsV2.Mobile
DevExpress.ExpressApp.ReportsV2.Web
DevExpress.ExpressApp.ReportsV2.Win
DevExpress.ExpressApp.Scheduler
DevExpress.ExpressApp.Scheduler.Web
DevExpress.ExpressApp.Scheduler.Win
DevExpress.ExpressApp.ScriptRecorder
DevExpress.ExpressApp.ScriptRecorder.Web
DevExpress.ExpressApp.ScriptRecorder.Win
DevExpress.ExpressApp.Security
DevExpress.ExpressApp.Security.Adapters
DevExpress.ExpressApp.Security.ClientServer.Wcf
DevExpress.ExpressApp.Security.EF.Adapters
DevExpress.ExpressApp.Security.Strategy
DevExpress.ExpressApp.Security.Xpo.Adapters
DevExpress.ExpressApp.StateMachine
DevExpress.ExpressApp.SystemModule
DevExpress.ExpressApp.Templates
DevExpress.ExpressApp.Templates.ActionContainers
DevExpress.ExpressApp.TreeListEditors
DevExpress.ExpressApp.TreeListEditors.Web
DevExpress.ExpressApp.TreeListEditors.Win
DevExpress.ExpressApp.Updating
DevExpress.ExpressApp.Utils
DevExpress.ExpressApp.Validation
DevExpress.ExpressApp.Validation.Web
DevExpress.ExpressApp.Validation.Win
DevExpress.ExpressApp.ViewVariantsModule
DevExpress.ExpressApp.Web
DevExpress.ExpressApp.Web.Controls
DevExpress.ExpressApp.Web.Editors
DevExpress.ExpressApp.Web.Editors.ASPx
DevExpress.ExpressApp.Web.SystemModule
DevExpress.ExpressApp.Web.Templates
DevExpress.ExpressApp.Web.Utils
DevExpress.ExpressApp.Win
DevExpress.ExpressApp.Win.Core
DevExpress.ExpressApp.Win.Editors
DevExpress.ExpressApp.Win.Model
DevExpress.ExpressApp.Win.SystemModule
DevExpress.ExpressApp.Win.Templates
DevExpress.ExpressApp.Win.Templates.Navigation
DevExpress.ExpressApp.Workflow
DevExpress.ExpressApp.Workflow.Win
DevExpress.ExpressApp.Xpo
DevExpress.ExpressApp.Xpo.Utils
DevExpress.Persistent.Base
DevExpress.Persistent.Base.General
DevExpress.Persistent.Base.ReportsV2
DevExpress.Persistent.Base.Security
DevExpress.Persistent.BaseImpl
DevExpress.Persistent.BaseImpl.EF
DevExpress.Persistent.BaseImpl.EF.PermissionPolicy
DevExpress.Persistent.BaseImpl.PermissionPolicy
DevExpress.Persistent.Validation
Docs API Reference DevExpress.ExpressApp.EF EFObjectSpace Methods GetKeyPropertyName(Type)

EFObjectSpace.GetKeyPropertyName(Type) Method

Namespace: DevExpress.ExpressApp.EF

Assembly: DevExpress.ExpressApp.EF.v18.1.dll

Syntax

public override string GetKeyPropertyName(
    Type objectType
)

Parameters

Type Name Description
Type objectType

Returns

Type Description
String