CartLog In
eXpressApp Framework
V 19.1
19.2 (EAP/Beta)
19.1
18.2
18.1
17.2
All docs
Docs API Reference DevExpress.ExpressApp XafDataView Methods Contains(Object)
The requested page is not available for the requested platform. You are viewing the content for Default platform.

General Information

.NET Subscription

Overview

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Desktop

Controls

WinForms
WPF
VCL
UWP (Windows 10)

Tools

WinForms Skin Editor
WPF Theme Designer
WPF Theme Editor (Legacy)
Coded UI Test Extension

Web

Controls and Extensions

ASP.NET Controls and MVC Extensions
ASP.NET Core Controls
ASP.NET Bootstrap Controls
DevExtreme
DevExtreme ASP.NET MVC Controls
Blazor Components

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Mainteinance Mode

ASP.NET Core Bootstrap Controls

Enterprise and Analytic Tools

Reporting
Report and Dashboard Server
Dashboard
Office File API

Quality Assurance and Productivity

CodeRush
CodeRush Classic
TestCafe Studio
Logify

Frameworks and Libraries

eXpressApp Framework (XAF)
eXpress Persistent Objects (XPO)
XPO Profiler
Core Libraries

Mobile

UI Controls for Xamarin.Forms
Charts for iOS / Xamarin.iOS
Charts for Android / Xamarin.Android
Grid for Xamarin.Forms (Legacy)
All docs
V19.1

General Information

.NET Subscription

Overview

Common Tools

Project Converter
Assembly Deployment Tool
Localization Service

Desktop

Controls

WinForms
WPF
VCL
UWP (Windows 10)

Tools

WinForms Skin Editor
WPF Theme Designer
WPF Theme Editor (Legacy)
Coded UI Test Extension

Web

Controls and Extensions

ASP.NET Controls and MVC Extensions
ASP.NET Core Controls
ASP.NET Bootstrap Controls
DevExtreme
DevExtreme ASP.NET MVC Controls
Blazor Components

Tools

ASP.NET Theme Builder
ASP.NET Theme Deployer

Mainteinance Mode

ASP.NET Core Bootstrap Controls

Enterprise and Analytic Tools

Reporting
Report and Dashboard Server
Dashboard
Office File API

Quality Assurance and Productivity

CodeRush
CodeRush Classic
TestCafe Studio
Logify

Frameworks and Libraries

eXpressApp Framework (XAF)
eXpress Persistent Objects (XPO)
XPO Profiler
Core Libraries

Mobile

UI Controls for Xamarin.Forms
Charts for iOS / Xamarin.iOS
Charts for Android / Xamarin.Android
Grid for Xamarin.Forms (Legacy)
19.2 (EAP/Beta)
19.1
18.2
18.1
17.2
eXpressApp Framework
Fundamentals
.NET Core 3.0 Support in XAF WinForms Applications
Getting Started
Concepts
Design-Time Features
Deployment
Task-Based Help
Frequently Asked Questions (FAQ)
API Reference
DevExpress.EasyTest.Framework
DevExpress.ExpressApp
BaseObjectSpace
CheckCompatibilityType
CollectionSource
CollectionSourceBase
CollectionSourceDataAccessMode
CollectionSourceMode
CollectionSourceModeAttribute
CompositeView
ConfirmationResult
ConfirmationType
Controller
CreateCustomCollectionSourceEventArgs
CreateCustomCurrentObjectDetailViewEventArgs
CreateCustomLogonParameterStoreEventArgs
CreateCustomLogonWindowControllersEventArgs
CreateCustomLogonWindowObjectSpaceEventArgs
CreateCustomModelCacheManagerEventArgs
CreateCustomModelDifferenceStoreEventArgs
CreateCustomObjectSpaceProviderEventArgs
CreateCustomPropertyCollectionSourceEventArgs
CreateCustomTemplateEventArgs
CustomCheckCompatibilityEventArgs
CustomHasPermissionToEventArgs
CustomizeFormattingCultureEventArgs
CustomizeLanguageEventArgs
CustomizeTemplateEventArgs
CustomizeViewShortcutArgs
CustomProcessShortcutEventArgs
DashboardView
DashboardViewCreatedEventArgs
DashboardViewCreatingEventArgs
DatabaseUpdateMode
DatabaseVersionMismatchEventArgs
DefaultListViewOptionsAttribute
DetailView
DetailViewCreatedEventArgs
DetailViewCreatingEventArgs
Frame
FrameContext
IModelDifference
IModelDifferenceAspect
IModelExtender
InformationPosition
InformationType
IObjectSpace
IObjectSpaceLink
IObjectSpaceProvider
ISettingsProvider
ISupportNewItemRowPosition
ISupportUpdate
IXafEntityObject
LastLogonParametersReadEventArgs
LastLogonParametersReadingEventArgs
LastLogonParametersWritingEventArgs
ListView
ListViewCreatedEventArgs
ListViewCreatingEventArgs
ListViewFindPanelAttribute
LoggingOffEventArgs
LogonEventArgs
LogonFailedEventArgs
LookupEditCollectionSourceMode
LookupEditPropertyCollectionSource
MasterDetailMode
MessageOptions
ModelCacheManager
ModelDifferenceStore
ModelStoreBase
ModuleBase
NestedFrame
Nesting
NewItemRowPosition
NewWindowTarget
NonPersistentObjectSpace
ObjectChangedEventArgs
ObjectManipulatingEventArgs
ObjectsCountGettingEventArgs
ObjectsManipulatingEventArgs
ObjectSpaceCreatedEventArgs
ObjectView
ObjectViewController
ObjectViewController<ViewType, ObjectType>
ProcessActionContainerEventArgs
PropertyCollectionSource
SchemaUpdateMode
SecuritySystem
SelectionType
ShowViewParameters
ShowViewSource
ShowViewStrategyBase
TargetWindow
TemplateContext
UIType
ValidateObjectEventArgs
View
ViewController
ViewController<ViewType>
ViewCreatedEventArgs
ViewCreatingEventArgs
ViewItemsChangedEventArgs
ViewItemsChangedType
ViewShortcut
ViewShowingEventArgs
ViewShownEventArgs
ViewType
WebMessageOptions
Window
WindowController
WindowType
WinMessageOptions
WinMessageType
XafApplication
XafDataView
Members
Constructors
Properties
Methods
Add(Object)
Clear()
Contains(Object)
CopyTo(Array, Int32)
Dispose()
FindExpression(String)
IndexOf(Object)
Insert(Int32, Object)
Reload()
Remove(Object)
RemoveAt(Int32)
Events
XafDataViewRecord
XafInstantFeedbackRecord
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
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
DevExpress.ExpressApp.Office.Web
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.Win.Utils
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

XafDataView.Contains(Object) Method

Determines whether the XafDataView contains a specific data record.

Namespace: DevExpress.ExpressApp

Assembly: DevExpress.ExpressApp.v19.1.dll

Declaration

public bool Contains(
    object obj
)
Public Function Contains(
    obj As Object
) As Boolean

Parameters

Name Type Description
obj Object

A Object which is a data record to locate in the data view.

Returns

Type Description
Boolean

true, if the record is found; otherwise, false.

Remarks

This method retrieves data from database and populates the data view's records list when this list is not yet initialized. Otherwise, the cached data record list is used. To remove the cache, use the XafDataView.Reload method.

See Also